- The definition of a fly is an insect that soars through the air and has transparent wings.
An example of fly is a bug that gathers around old food.
- A fly is defined as a flap of cloth in a garment that hides the closure like a zipper or buttons.
An example of a fly is the flap in the front of jeans that covers the zipper.
- Fly means to move through the air, often with wings.
An example of fly is for a plane to soar through the sky.
A person feeds seagulls as they fly.
fly definition by Webster's New World
- to move through the air; specif.,
- to move through the air by using wings, as a bird does
- to travel through the air in an aircraft or through space in a spacecraft
- to be propelled through the air
- to operate an aircraft or spacecraft
- to wave or float in the air, as a flag or kite does
- to move swiftly: the door flew open
- to appear to pass swiftly: time flies
- to be used up swiftly: said of money, etc.
- to run away; flee
- Informal to be successful, acceptable, etc.: that explanation just won't fly
- to hunt with a hawk
- Baseball to hit a fly
Origin: Middle English flien, flegen ; from Old English fleogan, akin to Middle Dutch vlegen, German fliegen ; from Indo-European an unverified form pleuk- ; from base an unverified form pleu-: see flow
- to cause to float in the air: fly a kite
- to display (a flag) as from a pole
- to operate (an aircraft or spacecraft)
- to travel over in an aircraft
- to travel via (a particular airline, aircraft, etc.)
- to carry or transport in an aircraft
- to run away from; flee from; avoid
- to use (a hawk) to hunt game
- Theater to suspend (flats, lights, etc.) in the space above the stage
- Rare the act of flying; flight
- a garment closure concealing the zipper, buttons, etc. by a fold or flap of cloth, esp. such a closure in the front of a pair of trousersin full fly front
- such a fold or flap
- a garment closure concealing the zipper, buttons, etc. by a fold or flap of cloth, esp. such a closure in the front of a pair of trousers
- a flap serving as the door of a tent
- a piece of fabric serving as an outer or second top on a tent
- the length of an extended flag measured from the staff outward
- the outside edge of a flag
- a regulating device, as for a clockwork mechanism, consisting of vanes radiating from a rotating shaft
- Brit. a hackney carriage
- Baseball a ball batted high in the air, esp. within the foul lines
- Football a pass pattern in which the receiver runs straight up the field at full speed
- Theater the space behind and above the proscenium arch, containing overhead lights, raised flats, etc.
- any dipterous insect; esp., the housefly
- any of several four-winged insects from various orders, as the mayfly or caddis fly
- a hook covered with feathers, colored silk, etc. to resemble an insect, used as a lure in fishing: a wet fly drifts below the surface of the water, and a dry fly floats on it
- Printing a device on a flatbed press for removing and stacking the printed sheets
Origin: Middle English flie ; from Old English fleoge (akin to German fliege) ; from base fleogan: see fly
fly definition by American Heritage Dictionary
verb flew flew , flown flown , fly·ing, flies flies verb, intransitive
- To engage in flight, especially:a. To move through the air by means of wings or winglike parts.b. To travel by air: We flew to Dallas.c. To operate an aircraft or spacecraft.
- a. To rise in or be carried through the air by the wind: a kite flying above the playground.b. To float or flap in the air: pennants flying from the masthead.
- To move or be sent through the air with great speed: bullets flying in every direction; a plate that flew from my hands when I stumbled.
- a. To move with great speed; rush or dart: The children flew down the hall. Rumors were flying during their absence.b. To flee; escape.c. To hasten; spring: flew to her students' defense.
- To pass by swiftly: a vacation flying by; youth that is soon flown.
- To be dissipated; vanish: Their small inheritance was quickly flown.
- past tense and past participle flied flied Baseball To hit a fly ball.
- To undergo an explosive reaction; burst: The dropped plate flew into pieces. The motorist flew into a rage.
- Informal To gain acceptance or approval; go over: “However sophisticated the reasoning, this particular notion may not fly” (New York Times).
- a. To cause to fly or float in the air: fly a kite; fly a flag.b. Nautical To operate under (a particular flag): a tanker that flies the Liberian flag.
- a. To pilot (an aircraft or a spacecraft).b. To carry or transport in an aircraft or a spacecraft: fly emergency supplies to a stricken area.c. To pass over or through in flight: flew the coastal route in record time.d. To perform in a spacecraft or an aircraft: flew six missions into space.
- a. To flee or run from: fly a place in panic.b. To avoid; shun: fly temptation.
- The act of flying; flight.
- a. A fold of cloth that covers a fastening of a garment, especially one on the front of trousers.b. The fastening or opening covered by such a fold.
- A flap that covers an entrance or forms a rooflike extension for a tent or the canopy of a vehicle.
- A flyleaf.
- Baseball A fly ball.
- a. The span of a flag from the staff to the outer edge.b. The outer edge of a flag.
- A flywheel.
- flies The area directly over the stage of a theater, containing overhead lights, drop curtains, and equipment for raising and lowering sets.
- Chiefly British A one-horse carriage, especially one for hire.
Origin: Middle English flien, from Old English flēogan; see pleu- in Indo-European roots.
- flyˈa·ble adjective
noun pl. flies flies
- a. Any of numerous two-winged insects of the order Diptera, especially any of the family Muscidae, which includes the housefly.b. Any of various other flying insects, such as the caddis fly.
- A fishing lure simulating a fly, made by attaching materials such as feathers, tinsel, and colored thread to a fishhook.
Origin: Middle English flie, from Old English flēoge; see pleu- in Indo-European roots.
- Chiefly British Mentally alert; sharp.
- Slang Fashionable; stylish.
Origin: Probably from fly1.
fly - Medical Definition
fly - Phrases/Idioms
let fly (at)
- to shoot or throw (at)
- to direct a verbal attack (at)
on the fly
- while in flight
- Informal while in a hurry
fly in the ointment
fly off the handle
- To shoot, hurl, or release: The troops let fly a volley of gunfire.
- To lash out; assault: The mayor let fly with an angry attack on her critics.
on the fly
- On the run; in a hurry: took lunch on the fly.
- While in the air; in flight: caught the ball on the fly.
fly in the ointment
fly - Science Definition