/ Dictionary / Index R red heat: Meaning and Definition of Find definitions for: red' heat' Pronunciation: [key] the temperature of a red-hot body. the condition of being red-hot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. red heart red herring Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language