Drīft'-sāil, n.
n. (Naut.) A sail used under water during a storm, and serving to keep the head of a vessel right upon the sea, and prevent her driving too fast in a current. Ogilvie.
n. (Naut.) A sail used under water during a storm, and serving to keep the head of a vessel right upon the sea, and prevent her driving too fast in a current. Ogilvie.