/ Dictionary / Index C captaincy: Meaning and Definition of Find definitions for: cap•tain•cy Pronunciation: (kap'tun-sē), [key] — pl. -cies the office or rank of a captain. a district or area administered by a captain. the ability of a captain; captainship. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: captaincy (Thesaurus) captain Captain Jack Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language