Lifeboat

n.

1.

A strong, buoyant boat especially designed for saving the lives of shipwrecked people.

Noun

1.

lifeboat - a strong sea boat designed to rescue people from a sinking ship

Mae West, air-sea rescue, bolt-hole, breeches buoy, buoy, coast guard, cork jacket, ejection capsule, ejection seat, ejector seat, emergency exit, escape hatch, fire escape, inflatable slide, life belt, life buoy, life jacket, life net, life preserver, life raft, life ring, life vest, lifeguard, lifeline, lifesaver, parachute, rescuer, rubber dinghy, safety belt, sally port, savior, slide, water wings