/ Dictionary / Index R red giant: Meaning and Definition of Find definitions for: red' gi'ant Pronunciation: [key] — Astron. Astron. a star in an intermediate stage of evolution, characterized by a large volume, low surface temperature, and reddish hue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. red fox red goatfish 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