Fly \Fly\, v. t. To manage (an aircraft) in flight; as, to fly an a["e]roplane.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Fly \Fly\, n. (Cotton Manuf.) Waste cotton.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Fly \Fly\, n.; pl. Flies (fl[imac]z). [OE. flie, flege, AS. fl[=y]ge, fle['o]ge, fr. fle['o]gan to fly; akin to D. vlieg, OHG. flioga, G. fliege, Icel. & Sw. fluga, Dan. flue. [root] 84. See Fly, v. i.]

1. (Zo["o]l.)
   (a) Any winged insect; esp., one with transparent wings; as, the Spanish fly; firefly; gall fly; dragon fly.
   (b) Any dipterous insect; as, the house fly; flesh fly; black fly. See Diptera, and Illust. in Append.

2. A hook dressed in imitation of a fly, -- used for fishing. ``The fur-wrought fly.'' --Gay.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Fly \Fly\, v. t.

1. To cause to fly or to float in the air, as a bird, a kite, a flag, etc.

The brave black flag I fly. --W. S. Gilbert.

2. To fly or flee from; to shun; to avoid.

Sleep flies the wretch. --Dryden.

To fly the favors of so good a king. --Shak.

3. To hunt with a hawk. [Obs.]

--Bacon.

To fly a kite (Com.), to raise money on commercial notes. [Cant or Slang]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Fly \Fly\, a. Knowing; wide awake; fully understanding another's meaning. [Slang] --Dickens.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Fly \Fly\ (fl[imac]), v. i. [imp. Flew (fl[=u]); p. p. Flown (fl[=o]n); p. pr. & vb. n. Flying.]

[OE. fleen, fleen, fleyen, flegen, AS. fle['o]gan; akin to D. vliegen, OHG. fliogan, G. fliegen, Icel. flj[=u]ga, Sw. flyga, Dan. flyve, Goth. us-flaugjan to cause to fly away, blow about, and perh. to L. pluma feather, E. plume. [root]84. Cf. Fledge, Flight, Flock of animals.]

1. To move in or pass thorugh the air with wings, as a bird.

2. To move through the air or before the wind; esp., to pass or be driven rapidly through the air by any impulse.

3. To float, wave, or rise in the air, as sparks or a flag.

Man is born unto trouble, as the sparks fly upward. --Job v. 7.

4. To move or pass swiftly; to hasten away; to circulate rapidly; as, a ship flies on the deep; a top flies around; rumor flies.

Fly, envious Time, till thou run out thy race. --Milton.

The dark waves murmured as the ships flew on. --Bryant.

5. To run from danger; to attempt to escape; to flee; as, an enemy or a coward flies. See Note under Flee.

Fly, ere evil intercept thy flight. --Milton.

Whither shall I fly to escape their hands ? --Shak.

6. To move suddenly, or with violence; to do an act suddenly or swiftly; -- usually with a qualifying word; as, a door flies open; a bomb flies apart.

To fly about (Naut.), to change frequently in a short time; -- said of the wind.

To fly around, to move about in haste. [Colloq.]

To fly at, to spring toward; to rush on; to attack suddenly.

To fly in the face of, to insult; to assail; to set at defiance; to oppose with violence; to act in direct opposition to; to resist.

To fly off, to separate, or become detached suddenly; to revolt.

To fly on, to attack.

To fly open, to open suddenly, or with violence.

To fly out.
   (a) To rush out.
   (b) To burst into a passion; to break out into license.

To let fly.
   (a) To throw or drive with violence; to discharge. ``A man lets fly his arrow without taking any aim.'' --Addison.
   (b) (Naut.) To let go suddenly and entirely; as, to let fly the sheets.

Source: Webster's Revised Unabridged Dictionary (1913)