/ Dictionary / Index T tropho-: Meaning and Definition of Find definitions for: tropho- Pronunciation: [key] a combining form meaning “nourishment,” used in the formation of compound words: trophosome. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trophied trophoblast Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language