/ Dictionary / Index I icecap: Meaning and Definition of Find definitions for: ice•cap Pronunciation: (īs'kap"), [key] — n. a thick cover of ice over an area, sloping in all directions from the center. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: icecap (Thesaurus) icebreaker ice cave Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language