Source : Webster's Revised Unabridged Dictionary (1913)

Spout \Spout\, v. i.
   1. To issue with with violence, or in a jet, as a liquid
      through a narrow orifice, or from a spout; as, water
      spouts from a hole; blood spouts from an artery.

            All the glittering hill Is bright with spouting
            rills.                                --Thomson.

   2. To eject water or liquid in a jet.

   3. To utter a speech, especially in a pompous manner.

Spout \Spout\, v. t. [imp. & p. p. {Spouted}; p. pr. & vb. n.
   {Spouting}.] [Cf. Sw. sputa, spruta, to spout, D. spuit a
   spout, spuiten to spout, and E. spurt, sprit, v., sprout,
   sputter; or perhaps akin to E. spit to eject from the mouth.]
   1. To throw out forcibly and abudantly, as liquids through an
      office or a pipe; to eject in a jet; as, an elephant
      spouts water from his trunk.

            Who kept Jonas in the fish's maw Till he was spouted
            up at Ninivee?                        --Chaucer.

            Next on his belly floats the mighty whale . . . He
            spouts the tide.                      --Creech.

   2. To utter magniloquently; to recite in an oratorical or
      pompous manner.

            Pray, spout some French, son.         --Beau. & Fl.

   3. To pawn; to pledge; as, spout a watch. [Cant]

Spout \Spout\, n. [Cf. Sw. spruta a squirt, a syringe. See
   {Spout}, v. t.]
   1. That through which anything spouts; a discharging lip,
      pipe, or orifice; a tube, pipe, or conductor of any kind
      through which a liquid is poured, or by which it is
      conveyed in a stream from one place to another; as, the
      spout of a teapot; a spout for conducting water from the
      roof of a building. --Addison. ``A conduit with three
      issuing spouts.'' --Shak.

            In whales . . . an ejection thereof [water] is
            contrived by a fistula, or spout, at the head. --Sir
                                                  T. Browne.

            From silver spouts the grateful liquors glide.
                                                  --Pope.

   2. A trough for conducting grain, flour, etc., into a
      receptacle.

   3. A discharge or jet of water or other liquid, esp. when
      rising in a column; also, a waterspout.

   {To put}, {shove}, or {pop}, {up the spout}, to pawn or
      pledge at a pawnbroker's; -- in allusion to the spout up
      which the pawnbroker sent the ticketed articles. [Cant]

Source : WordNet®

spout
     n : an opening that allows the passage of liquids or grain
     v 1: gush forth in a sudden stream or jet; "water gushed forth"
          [syn: {spurt}, {spirt}, {gush}]
     2: talk in a noisy, excited, or declamatory manner [syn: {rant},
         {mouth off}, {jabber}, {rabbit on}, {rave}]