tetrasyllable: Meaning and Definition of

tet•ra•syl•la•ble

Pronunciation: (te'tru-sil"u-bul, te"tru-sil'-), [key]
— n.
  1. a word or line of verse of four syllables.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.