/ Dictionary / Index V vitri-: Meaning and Definition of Find definitions for: vitri- Pronunciation: [key] a combining form meaning “glass,” used in the formation of compound words: vitriform. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vitreum vitric Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language