Useful english dictionary. 2012.
Tappoon — Tap*poon , n. [Sp. tamp[ o]n a stopper.] (Irrigation) A piece of wood or sheet metal fitted into a ditch to dam up the water so as to overflow a field. [U. S.] [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
tappoon — tap·poon … English syllables