to fly at

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 through 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.
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   3. To float, wave, or rise in the air, as sparks or a flag.
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            Man is born unto trouble, as the sparks fly upward.
                                                  --Job v. 7.
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   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.
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            Fly, envious Time, till thou run out thy race.
                                                  --Milton.
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            The dark waves murmured as the ships flew on.
                                                  --Bryant.
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   5. To run from danger; to attempt to escape; to flee; as, an
      enemy or a coward flies. See Note under {Flee}.
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            Fly, ere evil intercept thy flight.   --Milton.
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            Whither shall I fly to escape their hands ? --Shak.
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   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.
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   {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.
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