/ Dictionary / Index E earplug: Meaning and Definition of Find definitions for: ear•plug Pronunciation: (?r'plug"), [key] ? n. a plug of soft, pliable material inserted into the opening of the outer ear, esp. to keep out water or noise. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: earplug (Thesaurus) ear-piercing earreach Related Content Daily Word Quiz: abscond Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language