/ Dictionary / Index C clo.: Meaning and Definition of Find definitions for: clo. Pronunciation: [key] clothing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. clk. cloaca Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language