Meaning of tank

tank

1. a large receptacle, container, or structure for holding a liquid or gas: tanks for storing oil.
2. a natural or artificial pool, pond, or lake.
3. an armored, self-propelled combat vehicle, armed with cannon and machine guns and moving on a caterpillar tread.
4. a prison cell or enclosure for more than one occupant, as for prisoners awaiting a hearing.
5. See
6. to go through the motions of a match but deliberately lose because of an illicit prearrangement or fix; throw a fight.

1. to put or store in a tank.
1. to fill the gas tank of an automobile or other motor vehicle.
2. Slang.to drink a great quantity of alcoholic beverage, esp. to intoxication.