/ Dictionary / Index C closedown: Meaning and Definition of Find definitions for: close•down Pronunciation: (klōz'doun"), [key] — n. a termination or suspension of operations; shutdown: a temporary closedown of a factory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: closedown (Thesaurus) closed-minded closed plan Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language