/ Dictionary / Index S supercargo: Meaning and Definition of Find definitions for: su•per•car•go Pronunciation: (s"pur-kär'gō, s'pur-kär"-), [key] — pl. -goes, -gos. a merchant-ship officer who is in charge of the cargo and the commercial concerns of the voyage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: supercargo (Thesaurus) supercapital supercede Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language