/ Dictionary / Index R red trillium: Meaning and Definition of Find definitions for: red' tril'lium Pronunciation: [key] a hardy plant, Trillium sessile, common from New York to Georgia and westward, having stalkless, purple or green flowers. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. redtop reduce Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language