plural of think tank

A large tank of water, over which a dunk seat is suspended, which seat can be made to tip or fall into the tank of water, thus dunking whoever is sitting on the seat. It is used as an attraction mainly used in funfairs.

plural of fuel tank

A container of fuel, especially one inside a vehicle.

An item of casual clothing: a top with no sleeves. / The top of a ship's bilge tank, usually the lowest horizontal surface on board.

Alternative spelling of think tank

To perform research and develop recommendations as part of a think tank.

plural of ballast tank

(Australia, slang) A large American car. / (US, slang) A pre-1960 American car in Cuba, imported before the US embargo

A metal cylinder holding compressed oxygen.