A child playing with wooden blocks.
- The definition of a block is a square piece of material that usually has flat surfaces that may be used for building things, as a child's toy, or as a work surface.
- An example of a block is a large piece of wood that is square in shape.
- An example of a block is a child's four-sided toy that he can stack up or use to build things.
- An example of a block is a piece of wood or work surface on which you chop up food.
- A block is defined as an area of four streets that goes in a square, or a single street within an area of four streets, or the length of one of those streets.
- An example of a block is the four streets that go in a square around your house.
- An example of a block is the street your house is located on.
- An example of a block is the distance you need to walk to get from your street to the next street over.
- To block means to prevent something from happening or to make forward movement impossible.
- An example of block is when you cut the funding for a program, preventing it from going forward.
- An example of block is when you stand in a person's way so he cannot move forward.
- any large, solid piece of wood, stone, or metal, often with flat surfaces
- a blocklike stand or platform on which hammering, chopping, etc. is done: a butcher's block, headsman's block
- ☆ an auctioneer's platform
- a mold upon which things are shaped, as hats
- the shape of a hat
- anything that stops movement or progress; obstruction, obstacle, or hindrance
- a pulley or system of pulleys in a frame, with a hook, loop, etc. for attachment
- any solid piece of material used to strengthen or support
- an oblong building unit of concrete, larger than a brick and usually not solidin full concrete block
- a similar unit of glass or other material
- such units collectively
- an oblong building unit of concrete, larger than a brick and usually not solid
- a toy brick, typically cubic, of wood or plastic
- ☆ Now Brit. a large building with many units in it, or a group of buildings regarded as a unit
- an area bounded by streets or buildings on four sides; city square
- the distance along one side of such an area
- any number of persons or things regarded as a unit: a block of tickets
- the metal casting that houses the cylinders of an internal-combustion engine; engine block
- Slang a person's head
- Comput. a unit of memory, consisting of one or more contiguous words, bytes, or records
- an interruption of normal function in a part of the body: heart block, kidney block
- an interruption of the passage of impulses through a nerve by means of pressure or anesthetics
- Printing a piece of wood, linoleum, etc. engraved with a design or picture
- Psychiatry a sudden interruption in speech or thought processes, resulting from deep emotional conflict, repression, etc.
- Railroading a length of track governed by signals
- ☆ Sports an interruption, restraining, or thwarting of an opponent's play or movement
- Philately a set of four or more unseparated stamps forming a rectangle
- Track & Field starting blocks
Origin of blockMiddle English blokke ; from Old French bloc and amp; Middle Dutch block ; from Indo-European an unverified form bhlugo- ; from base an unverified form bhel-, a thick plank, beam from source balk, Classical Greek phalanx, Classical Latin fulcrum
- to impede the passage or progress of; obstruct
- to blockade
- to create difficulties for; stand in the way of; hinder
- to shape or mold on or as on a block
- to stamp with a block
- to form into blocks
- to strengthen or support with blocks
- to restrict or prohibit the use, conversion, or flow of (currency, assets, etc.)
- to sketch or outline with little or no detail: often with out
- Games, Sports to hinder (an opponent or his play), whether legally or as a foul
- Med. to prevent the transmission of impulses in (a nerve), esp. by anesthetizing
- Theater to plan or direct (the movements on stage of actors)
Origin of blockFr bloquer < the n.
- to have a mental block (on)
- ☆ Sports to block an opponent
- made or formed in a block or blocks: block coal
- set out like or involving a city block
- Stenography having no indentation in address, heading, or paragraphs
- to fill in (a passage, space, etc.) so as to obstruct
- to elevate on blocks
go to the block
- to be beheaded
- to be up for sale in an auction
knock someone's block off
on the block☆
Origin of Blockafter Adriaen Block, 17th-c. Dutch navigator who explored it
- a. A solid piece of a hard substance, such as wood, having one or more flat sides.b. Such a piece used as a construction member or as a support.c. Such a piece upon which chopping or cutting is done: a butcher's block.d. Such a piece upon which persons are beheaded.e. One of a set of small wooden or plastic pieces, such as a cube, bar, or cylinder, used as a building toy.f. Printing A large amount of text.g. Sports A starting block.
- A stand from which articles are displayed and sold at an auction: Many priceless antiques went on the block.
- A mold or form on which an item is shaped or displayed: a hat block.
- A substance, such as wood or stone, that has been prepared for engraving.
- a. A pulley or a system of pulleys set in a casing.b. An engine block.
- A bloc.
- A set of like items, such as shares of stock, sold or handled as a unit.
- A group of four or more unseparated postage stamps forming a rectangle.
- Canadian A group of townships in an unsurveyed area.
- a. A usually rectangular section of a city or town bounded on each side by consecutive streets.b. A segment of a street bounded by consecutive cross streets and including its buildings and inhabitants.
- A large building divided into separate units, such as apartments.
- A length of railroad track controlled by signals.
- Something that obstructs; an obstacle: The disabled car formed a block in traffic.
- The act of preventing someone or something from advancing, passing, or progressing, as:a. Sports An act of bodily obstruction, as of a player or the ball.b. Football An act of legally using one's body to obstruct or move a defensive player so that a player in possession of the ball may advance downfield, pass, or otherwise execute an offensive play.
- Medicine Interruption or obstruction of a physiological function: nerve block.
- Psychology A sudden cessation of speech or a thought process without an immediate observable cause, sometimes considered a consequence of repression. Also called mental block.
- Slang The human head: threatened to knock my block off.
verbblocked, block·ing, blocks
- a. To stop or impede the passage of or movement through; obstruct: block traffic; mud that blocked the pipe.b. To prevent from happening, succeeding, or progressing: blocked every attempt to reform the rules.c. To shut out from view: a curtain blocking the stage.d. To stop the passage of (a motion or bill) in a legislative assembly.e. Sports To prevent or slow the movement of (an opponent) by using one's body, as by making a block in football.f. Sports To stop or deflect (a ball or puck) by using one's body.g. Medicine To interrupt or obstruct the functioning of (a physiological process), especially by the use of drugs.h. Psychology To fail to remember.
- To support, strengthen, or retain in place by means of a block.
- To shape, mold, or form with or on a block: block a hat.
- To indicate broadly without great detail; sketch. Often used with out: block out a plan of action; block out stage movements.
- To run (trains) on a block system.
- Sports a. To obstruct the movement of an opponent by using one's body.b. To stop or deflect a ball or puck by using one's body.
- To suffer a mental block. Often used with on: I blocked on his name.
Origin of blockMiddle English blok, from Old French bloc, from Middle Dutch.
- A substantial, often approximately cuboid, piece of any substance.
- A block of ice.
- A block of stone.
- Anne Boleyn placed her head on the block and awaited her execution.
- A group of urban lots of property, several acres in extent, not crossed by public streets.
- I'm going for a walk around the block.
- A residential building consisting of flats.
- A block of flats.
- The distance from one street to another in a city that is built (approximately) to a grid pattern.
- The place you are looking for is two long blocks east and one short block north.
- (slang) The human head.
- I'll knock your block off.
- A wig block: a simplified head model upon which wigs are worn.
- A mould on which hats, bonnets, etc., are shaped.
- A set of sheets (of paper) joined together at one end.
- A block of 100 tickets.
- (computing) A logical data storage unit containing one or more physical sectors (see cluster).
- (computing) A region of code in a program that acts as a single unit, such as a function or loop.
- (cryptography) A fixed-length group of bits making up part of a message.
- (rigging) A case with one or more sheaves/pulleys, used with ropes to increase or redirect force, for example, as part of the rigging of a sailing ship.
- (chemistry) A portion of a macromolecule, comprising many units, that has at least one feature not present in adjacent portions.
- Something that prevents something from passing (see blockage).
- There's a block in the pipe that means the water can't get through.
- (sports) An action to interfere with the movement of an opposing player or of the object of play (ball, puck).
- (cricket) A shot played by holding the bat vertically in the path of the ball, so that it loses momentum and drops to the ground.
- (volleyball) A defensive play by one or more players meant to deflect a spiked ball back to the hitter’s court.
- (philately) A joined group of four (in some cases nine) postage stamps, forming a roughly square shape.
- A section of split logs used as fuel.
- (UK) Solitary confinement.
- A cellblock.
- (falconry) The perch on which a bird of prey is kept.
- (printing, dated) A piece of hard wood on which a stereotype or electrotype plate is mounted.
- A section of a railroad where the block system is used.
- Common misspelling of bloc.
(third-person singular simple present blocks, present participle blocking, simple past and past participle blocked)
- To fill (something) so that it is not possible to pass.
- The pipe is blocked.
- To prevent (something or someone) from passing.
- You're blocking the road – I can't get through.
- To prevent (something from happening or someone from doing something).
- His plan to take over the business was blocked by the boss.
- (sports) To impede an opponent.
- He blocked the basketball player's shot.
- The offensive linemen tried to block the blitz.
- (theater) To specify the positions and movements of the actors.
- It was very difficult to block this scene convincingly.
- (cricket) To hit with a block.
- (intransitive, cricket) To play a block shot.
- To disable communication via telephone, instant messaging, etc., with an undesirable someone.
- I tried to send you a message, but you've blocked me!
- (computing, intransitive) To wait.
- When the condition expression is false, the thread blocks on the condition variable.
- To stretch or mould (a knitted item, a hat, etc.) into the desired shape.
- I blocked the mittens by wetting them and pinning them to a shaped piece of cardboard.
From Middle English blok (“log, stump, solid piece”), from Old French bloc (“log, block”), from Middle Dutch blok (“treetrunk”), from Old Saxon *blok (“log”), from Proto-Germanic *blukką (“beam, log”), from Proto-Indo-European *bhulg'-, from *bhelg'- (“thick plank, beam, pile, prop”). Cognate with Old High German bloh, bloc (German Block, “block”), Old English bolca (“gangway of a ship, plank”), Old Norse bǫlkr (Norwegian bolk, “divider, partition”). More at balk.
block - Computer Definition
(1) A group of disk or tape records that is stored and transferred as a single unit. On a CD, a block consists of 98 frames of 33 bytes for a total of 3,234 bytes, or 1/75th of a second. See block level.
(2) A group of bits or bytes that is transmitted or processed as a single unit.
(3) A group of text characters that has been marked for moving, copying, saving or other operation.
(4) A rectangular group of pixels that are processed as a unit.
(5) A group of program statements that are treated as a unit based on the results of a comparison.