Y

YACHT	A vessel of pleasure or state.
YARD	A long piece of timber, tapering slightly toward the ends, and hung by the centre to a mast, to spread the square sails upon.
YARD-ARM	The extremities of a yard.
YARD-ARM AND YARD-ARM	The situation of two vessels, lying alongside one another, so near that their yard-arms cross or touch.
YARN	See ROPE-YARN.
YAW	The motion of a vessel when she goes off from her course.
YEOMAN	A man employed in a vessel of war to take charge of a storeroom; as, boatswain's yeoman the man that has charge of the stores, of rigging, &c.
YOKE	A piece of wood placed across the head of a boat's rudder, with a rope attached to each end, by which the boat is steered.