1. (Naut.) (a) Convenient sea room. (b) A room in which a number of the officers or ship's company mess and reside. (c) The place where a ship lies when she is at anchor, or at a wharf. 2. An allotted place; an appointment; situation or employment. "He has a good berth." Totten. 3. A place in a ship to sleep in; a long box or shelf on the side of a cabin or ...