/ Dictionary / Index C commercial pilot: Meaning and Definition of Find definitions for: commer'cial pi'lot Pronunciation: [key] an airplane pilot licensed to transport passengers, goods, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. commercial paper commercial traveler Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language