/ Dictionary / Index T tompion: Meaning and Definition of Find definitions for: tom•pi•on Pronunciation: (tom'pē-un), [key] — n. tampion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tompion (Thesaurus) -tomous Tompkins Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language