The Collaborative International Dictionary of English v.0.48:

Blow \Blow\, v. i. [imp. Blew (bl[=u]); p. p. Blown
   (bl[=o]n); p. pr. & vb. n. Blowing.] [OE. blawen, blowen,
   AS. bl[=a]wan to blow, as wind; akin to OHG. pl[=a]jan, G.
   bl[aum]hen, to blow up, swell, L. flare to blow, Gr.
   'ekflai`nein to spout out, and to E. bladder, blast, inflate,
   etc., and perh. blow to bloom.]
   1. To produce a current of air; to move, as air, esp. to move
      rapidly or with power; as, the wind blows.
      [1913 Webster]

            Hark how it rains and blows !         --Walton.
      [1913 Webster]

   2. To send forth a forcible current of air, as from the mouth
      or from a pair of bellows.
      [1913 Webster]

   3. To breathe hard or quick; to pant; to puff.
      [1913 Webster]

            Here is Mistress Page at the door, sweating and
            blowing.                              --Shak.
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   4. To sound on being blown into, as a trumpet.
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            There let the pealing organ blow.     --Milton.
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   5. To spout water, etc., from the blowholes, as a whale.
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   6. To be carried or moved by the wind; as, the dust blows in
      from the street.
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            The grass blows from their graves to thy own. --M.
                                                  Arnold.
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   7. To talk loudly; to boast; to storm. [Colloq.]
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            You blow behind my back, but dare not say anything
            to my face.                           --Bartlett.
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   8. To stop functioning due to a failure in an electrical
      circuit, especially on which breaks the circuit; sometimes
      used with out; -- used of light bulbs, electronic
      components, fuses; as, the dome light in the car blew out.
      [PJC]

   9. To deflate by sudden loss of air; usually used with out;
      -- of inflatable tires.
      [PJC]

   To blow hot and cold (a saying derived from a fable of
      [AE]sop's), to favor a thing at one time and treat it
      coldly at another; or to appear both to favor and to
      oppose.

   To blow off, to let steam escape through a passage provided
      for the purpose; as, the engine or steamer is blowing off.


   To blow out.
      (a) To be driven out by the expansive force of a gas or
          vapor; as, a steam cock or valve sometimes blows out.
      (b) To talk violently or abusively. [Low]

   To blow over, to pass away without effect; to cease, or be
      dissipated; as, the storm and the clouds have blown over.


   To blow up, to be torn to pieces and thrown into the air as
      by an explosion of powder or gas or the expansive force of
      steam; to burst; to explode; as, a powder mill or steam
      boiler blows up. "The enemy's magazines blew up."
      --Tatler.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Blow \Blow\ (bl[=o]), v. i. [imp. Blew (bl[=u]); p. p. Blown
   (bl[=o]n); p. pr. & vb. n. Blowing.] [OE. blowen, AS.
   bl[=o]wan to blossom; akin to OS. bl[=o]jan, D. bloeijen,
   OHG. pluojan, MHG. bl["u]ejen, G. bl["u]hen, L. florere to
   flourish, OIr. blath blossom. Cf. Blow to puff,
   Flourish.]
   To flower; to blossom; to bloom.
   [1913 Webster]

         How blows the citron grove.              --Milton.
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The Collaborative International Dictionary of English v.0.48:

blowing \blowing\ n.
   1. processing that involves blowing a gas.
      [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

blowing \blowing\ adj. prenom.
   1. windy.

   Syn: blustering(prenominal), blusterous, blustery, gusty.
        [WordNet 1.5] blowjob

WordNet (r) 3.0 (2006):

blowing
    n 1: processing that involves blowing a gas