try·sail /ˈtraɪˌsel, səl/ 斜桁帆
Try·sail n. Naut. A fore-and-aft sail, bent to a gaff, and hoisted on a lower mast or on a small mast, called the trysail mast, close abaft a lower mast; -- used chiefly as a storm sail. Called also spencer. ◄ ►