sloop n a single-masted sailing vessel, rigged fore-and-aft, with the mast stepped about one third of the overall length aft of the bow
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2 (C17: from Dutch sloep; related to French chaloupe launch, Old English slupan to glide)
sloop of war n
(formerly) a small fast sailing warship mounting some 10 to 30 small calibre guns on one deck
sloop-rigged adj
(Nautical) rigged as a sloop, typically with a jib and a mainsail