/ Dictionary / Index T tmesis: Meaning and Definition of Find definitions for: tme•sis Pronunciation: (tu-mē'sis), [key] — n. the interpolation of one or more words between the parts of a compound word, as be thou ware for beware. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. TMC TMI Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language