Con—To direct a helmsman how to steer.
Course—The direction or path which a boat sails.
Cringle—An eye worked in the bolt rope of a sail for a small line to pass through.
Crotch—Two pieces of wood put together like a pair of scissors and used to hold the boom up when the vessel is at anchor.
Downhaul—A rope used to haul a sail down.
Draught—The depth of water necessary to float a boat, the amount in feet and inches a vessel’s hull is immersed.
Drift—To move sideways or sternways, as when a boat is becalmed. The drift of a tide or current is its velocity.
Ensign—The national flag always flown furthest aft, either from the gaff end or on a flagpole over the stern.
Fathom—Six feet. A measure used by seamen principally to designate depths of water.