ˈfōrˌsāl, ˈfȯr-, ˈfōəˌ-, ˈfȯ(ə)ˌ-, -_səl noun
Etymology: Middle English foreseile, from for-, fore- fore- + seil, seile sail — more at sail
1. : a sail that is carried on the foreyard of a square-rigged ship and that is the lowest sail on the foremast — called also forecourse ; see sail illustration
2. : the lower sail set abaft the foremast of a schooner — see sail illustration
3. : forestaysail