a one-masted sailing boat with a mainsail and jib rigged fore and aft 单桅帆船 ■(亦作 sloop of war)(historical)a small square-rigged sailing warship with two or three masts (史)(两至三桅的)小型战舰 ■(historical)a small anti-submarine warship used for convoy escort in the Second World War (史)(二次世界大战时担任反潜任务的)小型护航舰
语源
early 17th cent.: from Dutch sloep(e), of unknown origin