/ Dictionary / Index A argosy: Meaning and Definition of Find definitions for: ar•go•sy Pronunciation: (är'gu-sē), [key] — pl. -sies. a large merchant ship, esp. one with a rich cargo. a fleet of such ships. an opulent supply. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: argosy (Thesaurus) Argos argot Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language