/ Dictionary / Index H heat cramp: Meaning and Definition of Find definitions for: heat' cramp" Pronunciation: [key] a cramp or muscular spasm caused by loss of water and salt following prolonged exertion in hot weather. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heat content heat death Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language