/ Dictionary / Index D deep fat: Meaning and Definition of Find definitions for: deep' fat' Pronunciation: [key] hot fat used for deep-frying food. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deep-etch plate deep floor 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