/ Dictionary / Index F fireless cooker: Meaning and Definition of Find definitions for: fire'less cook'er Pronunciation: [key] an insulated container that seals in heat to cook food. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fireless firelight 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