lifeboat
['lumbermill, sawmill', 'beach wagon, station wagon, wagon, estate car, beach waggon, station waggon, waggon', 'aircraft carrier, carrier, flattop, attack aircraft carrier', 'cliff, drop, drop-off', 'pedestal, plinth, footstall', 'coil, spiral, volute, whorl, helix', 'hermit crab']