pin - Definition of pin

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noun

a peg of wood, metal, etc., used esp. for fastening or holding things together or as a support on which to hang things
a little piece of stiff wire with a pointed end and a flattened or rounded head, used for fastening things together or holding them in place; straight pin
something worthless or insignificant; trifle
a pointed instrument for holding the hair, a hat, etc. in place
clothespin, safety pin, cotter pin, etc.
anything like a pin in form, use, etc.
an ornament, badge, or emblem having a pin or clasp with which it is fastened to the clothing
Informal the leg: usually used in pl.
Bowling any of the bottle-shaped pieces of wood, or wood coated with plastic, at which the ball is rolled
Golf a pole with a flag attached, placed in the hole of a green to mark its location
Med. a metal rod used to hold a broken bone together
Music any of the pegs for regulating the tension of the strings of a piano, harp, etc.
Naut.
1. thole
2. any of various pegs or rods used to secure ropes
Wrestling fall ()

transitive verb pinned, pinning

to fasten with or as with a pin
to pierce with a pin
to hold firmly in one place or position
☆ Slang to give one's fraternity pin to, as an informal token of betrothal

noun

an identification number entered on a keypad in order to gain access to a computer, ATM, etc.

See pin in American Heritage Dictionary 4

(pĭn)

noun

a. A short, straight, stiff piece of wire with a blunt head and a sharp point, used especially for fastening.
b. Something, such as a safety pin, that resembles such a piece of wire in shape or use.
c. A whit; a jot: didn't care a pin about the matter.
A slender, usually cylindrical piece of wood or metal for holding or fastening parts together, or serving as a support for suspending one thing from another, as:
a. A thin rod for securing the ends of fractured bones.
b. A peg for fixing the crown to the root of a tooth.
c. A cotter pin.
d. The part of a key stem entering a lock.
e. Music One of the pegs securing the strings and regulating their tension on a stringed instrument.
f. Nautical A belaying pin.
g. Nautical A thole pin.
An ornament fastened to clothing by means of a clasp.
A rolling pin.
Sports
a. One of the wooden clubs at which the ball is aimed in bowling.
b. A flagstick.
c. See fall.
pins Informal The legs: spry for his age, and steady on his pins.
Electronics A lead on a device that plugs into a socket to connect the device to a system.
Computer Science
a. Any of the pegs on the platen of a printer, which engage holes at the edges of paper.
b. Any of the styluses that form a dot matrix on a printer.
c. Any of the small metal prongs at the end of a connector that fit into the holes in a port.

transitive verb pinned pinned, pin·ning, pins

To fasten or secure with or as if with a pin or pins.
To transfix.
To place in a position of trusting dependence: He pinned his faith on an absurdity.
a. To hold fast; immobilize: The passenger was pinned under the wreckage of the truck.
b. Sports To win a fall from in wrestling.
To give (a woman) a fraternity pin in token of attachment.

adjective

Having a grain suggestive of the heads of pins. Used of leather.

Phrasal Verbs: pin down To fix or establish clearly: was finally able to pin down the cause of the disease. To force (someone) to give firm opinions or precise information: The reporter pinned the governor down on the issue of capital punishment. pin on To attribute (a crime) to (someone): The murder was pinned on the wrong suspect.

(pĭn)

abbreviation

personal identification number

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