/ Dictionary / Index E earmuff: Meaning and Definition of Find definitions for: ear•muff Pronunciation: (ēr'muf"), [key] — n. either of a pair of often adjustable coverings for protecting the ears in cold weather. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: earmuff (Thesaurus) ear-minded earn Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language