trisyllable

from WordNet (r) 3.0 (2006)
trisyllable
    n 1: a word having three syllables
    
from The Collaborative International Dictionary of English v.0.48
Trisyllable \Tri*syl"la*ble\, n. [Pref. tri- + syllable.]
   A word consisting of three syllables only; as, a-ven-ger.
   [1913 Webster]
    

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