A container, usually made out of glass or acrylic, specifically designed for holding water and marine life. / (slang) A section of a prison for newly arrived inmates.

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.

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

Alternative spelling of think tank

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

plural of ballast tank

plural of think-tank

Third-person singular simple present indicative form of think-tank

plural of think tank