/ Dictionary / Index S sloop: Meaning and Definition of Find definitions for: sloop Pronunciation: (slp), [key] — n. a single-masted, fore-and-aft-rigged sailing vessel, with or without a bowsprit, having a jib-headed or gaff mainsail, the latter sometimes with a gaff topsail, and one or more headsails. Cf.(def. 3),(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sloop (Thesaurus) slo-mo sloop of war Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language