/ Dictionary / Index T triclinic: Meaning and Definition of Find definitions for: tri•clin•ic Pronunciation: (trī-klin'ik), [key] — adj. Crystall. noting or pertaining to a system of crystallization in which the three axes are unequal and intersect at oblique angles. Cf. crystal system. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: triclinic (Thesaurus) triclad triclinium 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