/ Dictionary / Index C commissioned officer: Meaning and Definition of Find definitions for: commis'sioned of'ficer Pronunciation: [key] a military or naval officer holding rank by commission. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. commissionaire commissioner Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language