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Meaning of triliteral

tri•lit•er•al

Pronunciation: (trī-lit'ur-ul), [key]
— adj.
  1. using or consisting of three letters.
  2. (of Semitic roots) consisting of three consonants.
—n.
  1. a triliteral word or root.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.