Definitions of tank

1. an enclosed armored military vehicle; has a cannon and moves on caterpillar treads

2. a large ( usually metallic) vessel for holding gases or liquids

3. a freight car that transports liquids or gases in bulk

4. A pond, pool, or small lake, natural or artificial.

5. A small Indian dry measure, averaging 240 grains in weight; also, a Bombay weight of 72 grains, for pearls.

6. A large basin or cistern; an artificial receptacle for liquids.

7. A large cistern or basin built to hold water or other liquid; a large, often circular, building for storing a fluid, as gas, gasoline, etc.; an armored motor truck, equipped with guns, remarkable for its power to go ahead over obstacles: first used in the World War.

8. A large basin or cistern: a reservoir of water.

9. A reservoir of water; artificial pool.

10. A large receptacle for containing a fluid.

11. An armored car propelled by motor power and resembling a metal tank.

12. A large cistern for storing water; a reservoir of water; that part of the tender of a locomotive which contains the water.