/ Dictionary / Index C CWO: Meaning and Definition of Find definitions for: CWO Pronunciation: [key] — Mil. Mil. chief warrant officer. c.w.o. Pronunciation: [key] cash with order. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cwmbran CWP Related Content Daily Word Quiz: reiterate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language