Source : Webster's Revised Unabridged Dictionary (1913)

Spew \Spew\, n.
   That which is vomited; vomit.

Spew \Spew\, v. t. [imp. & p. p. {Spewed}; p. pr.& vb. n.
   {Spewing}.] [OE. spewen, speowen, AS. sp[=i]wan;n to D.
   spuwen to spit. OS & OHG. sp[=i]wan, G. speien, Icel. sp?ja
   to spew, Sw. spy, Dan. spye, Goth. spiewan, th. spjauti, L.
   spuere to split, Gr. ???, Skr. shtiv, shth[=i]v. Cf. {Pyke},
   {Spit}.] [Written also {spue}.]
   1. To eject from the stomach; to vomit.

   2. To cast forth with abhorrence or disgust; to eject.

            Because thou art lukewarm, and neither hot nor cold,
            I will spew thee out of my mouth.     --Rev. ii. 16.

Spew \Spew\, v. i.
   1. To vomit. --Chaucer.

   2. To eject seed, as wet land swollen with frost.

Source : WordNet®

spew
     v 1: expel or eject (saliva or phlegm or sputum) from the mouth;
          "The father of the victim spat at the alleged murderer"
          [syn: {spit}, {ptyalize}, {ptyalise}, {spue}]
     2: eject or send out in large quantities, also metaphorical;
        "the volcano spews out molten rocks every day"; "The
        editors of the paper spew out hostile articles about the
        Presidential candidate" [syn: {spew out}, {eruct}]
     3: eject the contents of the stomach through the mouth; "After
        drinking too much, the students vomited"; "He purged
        continuously"; "The patient regurgitated the food we gave
        him last night" [syn: {vomit}, {vomit up}, {purge}, {cast},
         {sick}, {cat}, {be sick}, {disgorge}, {regorge}, {retch},
         {puke}, {barf}, {spue}, {chuck}, {upchuck}, {honk}, {regurgitate},
         {throw up}] [ant: {keep down}]