/ Dictionary / Index D deicer: Meaning and Definition of Find definitions for: de•ic•er Pronunciation: (dē-ī'sur), [key] — n. a device or a chemical substance for preventing or removing ice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deicer (Thesaurus) deice deicide Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language