Source : Webster's Revised Unabridged Dictionary (1913)

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["a]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.

            Hark how it rains and blows !         --Walton.

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

   3. To breathe hard or quick; to pant; to puff.

            Here is Mistress Page at the door, sweating and
            blowing.                              --Shak.

   4. To sound on being blown into, as a trumpet.

            There let the pealing organ blow.     --Milton.

   5. To spout water, etc., from the blowholes, as a whale.

   6. To be carried or moved by the wind; as, the dust blows in
      from the street.

            The grass blows from their graves to thy own. --M.
                                                  Arnold.

   7. To talk loudly; to boast; to storm. [Colloq.]

            You blow behind my back, but dare not say anything
            to my face.                           --Bartlett.

   {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.

Blow \Blow\, v. t.
   1. To force a current of air upon with the mouth, or by other
      means; as, to blow the fire.

   2. To drive by a current air; to impel; as, the tempest blew
      the ship ashore.

            Off at sea northeast winds blow Sabean odors from
            the spicy shore.                      --Milton.

   3. To cause air to pass through by the action of the mouth,
      or otherwise; to cause to sound, as a wind instrument; as,
      to blow a trumpet; to blow an organ.

            Hath she no husband That will take pains to blow a
            horn before her?                      --Shak.

            Boy, blow the pipe until the bubble rise, Then cast
            it off to float upon the skies.       --Parnell.

   4. To clear of contents by forcing air through; as, to blow
      an egg; to blow one's nose.

   5. To burst, shatter, or destroy by an explosion; -- usually
      with up, down, open, or similar adverb; as, to blow up a
      building.

   6. To spread by report; to publish; to disclose.

            Through the court his courtesy was blown. --Dryden.

            His language does his knowledge blow. --Whiting.

   7. To form by inflation; to swell by injecting air; as, to
      blow bubbles; to blow glass.

   8. To inflate, as with pride; to puff up.

            Look how imagination blows him.       --Shak.

   9. To put out of breath; to cause to blow from fatigue; as,
      to blow a horse. --Sir W. Scott.

   10. To deposit eggs or larv[ae] upon, or in (meat, etc.).

             To suffer The flesh fly blow my mouth. --Shak.

   {To blow great guns}, to blow furiously and with roaring
      blasts; -- said of the wind at sea or along the coast.

   {To blow off}, to empty (a boiler) of water through the
      blow-off pipe, while under steam pressure; also, to eject
      (steam, water, sediment, etc.) from a boiler.

   {To blow one's own trumpet}, to vaunt one's own exploits, or
      sound one's own praises.

   {To blow out}, to extinguish by a current of air, as a
      candle.

   {To blow up}.
       (a) To fill with air; to swell; as, to blow up a bladder
           or bubble.
       (b) To inflate, as with pride, self-conceit, etc.; to
           puff up; as, to blow one up with flattery. ``Blown up
           with high conceits engendering pride.'' --Milton.
       (c) To excite; as, to blow up a contention.
       (d) To burst, to raise into the air, or to scatter, by an
           explosion; as, to blow up a fort.
       (e) To scold violently; as, to blow up a person for some
           offense. [Colloq.]

                 I have blown him up well -- nobody can say I
                 wink at what he does.            --G. Eliot.

   {To blow upon}.
       (a) To blast; to taint; to bring into discredit; to
           render stale, unsavory, or worthless.
       (b) To inform against. [Colloq.]

                 How far the very custom of hearing anything
                 spouted withers and blows upon a fine passage,
                 may be seen in those speeches from
                 [Shakespeare's] Henry V. which are current in
                 the mouths of schoolboys.        --C. Lamb.

                 A lady's maid whose character had been blown
                 upon.                            --Macaulay.