/ Dictionary / Index T triclad: Meaning and Definition of Find definitions for: tri•clad Pronunciation: (trī'klad), [key] — n. a planarian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tricky triclinic Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language