/ Dictionary / Index C copilot: Meaning and Definition of Find definitions for: co•pi•lot Pronunciation: (kō'pī"lut), [key] — n. a pilot who is second in command of an aircraft. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: copilot (Thesaurus) copihue coping Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language