lifeboat
['barracouta, snoek', 'police van, police wagon, paddy wagon, patrol wagon, wagon, black Maria', 'vacuum, vacuum cleaner', 'leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea', 'sea cucumber, holothurian', 'bannister, banister, balustrade, balusters, handrail', 'cannon']