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.

A small-scale watertight treatment system for domestic sewage in which the flow is slowed to allow sedimentation and sludge digestion by bacteria to take place.

(idiomatic) A group of people who collectively perform research and develop reports and recommendations on topics relating to strategic planning or public policy, and which is usually funded by corporate, government, or special interests.