/ Dictionary / Index T tomium: Meaning and Definition of Find definitions for: to•mi•um Pronunciation: (tō'mē-um), [key] — pl. -mi•a the cutting edge of a bird's bill. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tomism Tom Jones* 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