/ Dictionary / Index H heatstroke: Meaning and Definition of Find definitions for: heat•stroke Pronunciation: (hēt'strōk"), [key] — n. a disturbance of the temperature-regulating mechanisms of the body caused by overexposure to excessive heat, resulting in fever, hot and dry skin, and rapid pulse, sometimes progressing to delirium and coma. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heatstroke (Thesaurus) heat sink heat-treat Related Content Daily Word Quiz: voracious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language