JACOB n.
ing flowers, usually blue. Gray. (b) (Naut.) A rope ladder, with wooden steps, for going aloft. R. H. Dana, Jr. (c) (Naut.) A succession of short cracks in a defective spar. -- Jacob's membrane. See Retina. -- Jacob's staff. (a) A name given to many forms of staff or weapon, especially in the Middle Ages; a pilgrim's…
LUBBER n.
e (Naut.), a hole in the floor of the "top," next the mast, through which sailors may go aloft without going over the rim by the futtock shrouds. It is considered by seamen as only fit to be used by lubbers. Totten. -- Lubber's line, point, or mark, a line or point in the compass case indicating the head of the ship,…