Lifeboat

A double-ended boat constructed of rigid materials, designed for optimum stability and seaworthiness, and propelled either by oa (s) or by a hand-operated propelling mechanism. It is built and equipped under recognized regulations such as the us coast guard for lifeboats. See also lifeboat, airborne; lifeboat, inflatable; lifeboat, motor; lifeboat, motor self-righting; and life raft, inflatable.