What is (a) Having a "goosewing." (b) Said of a fore-and-aft rigged vessel with foresail set on one side and mainsail on the other; wing and wing called?

goosewinged — (a) Having a "goosewing." (b) Said of a fore-and-aft rigged vessel with foresail set on one side and mainsail on the other; wing and wing. (Webster's 1913.)

Sources