Source : Webster's Revised Unabridged Dictionary (1913)

Spouter \Spout"er\, n.
   One who, or that which, spouts.

Source : WordNet®

spouter
     n 1: an obnoxious and foolish and loquacious talker [syn: {chatterer},
           {babbler}, {prater}, {chatterbox}, {magpie}]
     2: an oil well that is spouting
     3: a spouting whale