tank

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A large, often metallic container for holding or storing liquids or gases.
2. n. The amount that this container can hold: buy a tank of gas.
3. n. A usually artificial pool, pond, reservoir, or cistern, especially one used to hold water for drinking or for irrigation.
4. n. An enclosed, heavily armored combat vehicle that is armed with cannon and machine guns and moves on continuous tracks.
5. n. A tank top.
6. n. Slang A jail or jail cell.
7. v. To place, store, or process in a tank.
8. v. Slang To suffer a sudden decline or failure: "Steady investors . . . kept their heads when the stock market tanked in October 1987” ( Burton G. Malkiel).
9. tank up Slang To drink to the point of intoxication.
10. tank up To fill the tank of a motor vehicle with gasoline.

Century Dictionary and Cyclopedia

1. n. In glass manufacturing, same as tank-furnace (which see, under furnace).
2. n. The stomach.
3. To fill up (with liquor); hence, to be drunk: usually with up.
4. An oral abbreviation for hyperbolic tangent (which see), being an accommodated pronunciation of the written abbreviation tanh.
5. n. A pool of deep water, natural or artificial.
6. n. A large vessel or structure of wood or metal designed to hold water, oil, or other liquid, or a gas. Specifically— That part of a locomotive tender which contains the water. See cut under passenger-engine.
7. n. In the East Indies, a storage-place for water; a reservoir. Such tanks are used especially for irrigation; but they also serve for storage of water for all purposes during the dry season. Some of them are of great extent, and form lakes, conforming to the natural shape of the ground and covering thousands of acres; others are of square or other regular shape, and form decorative features in pleasure-grounds.
8. To throw, or cause to flow, into a tank.
9. To put or plunge into a tank; bathe or steep in a tank.
10. n. The wild parsnip, Peucedanum (Pastinaca) sativum.
11. n. A variant of tang and tang.

Wiktionary

1. n. A container for liquids or gases.
2. n. The fuel reservoir of a vehicle.
3. n. The amount held by a container; a tankful.
4. n. An armoured fighting vehicle, armed with a gun in a turret, and moving on caterpillar tracks.
5. n. A reservoir or dam.
6. n. A large metal container, usually placed near a wind-driven water pump, in an animal pen or field. By extension a small pond for the same purpose.
7. n. slang A very muscular and physically imposing person. Somebody who is built like a tank.
8. n. gaming, video games, online gaming In online and offline role-playing games, a character designed primarily around damage absorption and holding the attention of the enemy with offensive power as a close secondary consideration.
9. v. To fail or fall (often used in describing the economy or the stock market); to degenerate or decline rapidly; to plummet.
10. v. video games To attract the attacks of an enemy target in cooperative team-based combat, so that one's teammates can defeat the enemy in question more efficiently.
11. v. To put fuel into a tank
12. v. To deliberately lose a sports match with the intent of gaining a perceived future competitive advantage.

GNU Webster's 1913

1. n. A small Indian dry measure, averaging 240 grains in weight; also, a Bombay weight of 72 grains, for pearls.
2. n. A large basin or cistern; an artificial receptacle for liquids.
3. n. A pond, pool, or small lake, natural or artificial.
4. n. (Mil.) a heavily armored combat vehicle which moves on caterpillar treads, rather than wheels. It typically carries a cannon and a heavy machine, and sometimes other weapons. It is the main distinguishing weapon of an armored division.
5. n. a jail cell for temporarily holding prisoners, as in a police station.

WordNet 3.0

1. v. treat in a tank
2. v. consume excessive amounts of alcohol
3. n. an enclosed armored military vehicle; has a cannon and moves on caterpillar treads
4. n. as much as a tank will hold
5. n. a freight car that transports liquids or gases in bulk
6. n. a large (usually metallic) vessel for holding gases or liquids
7. v. store in a tank by causing (something) to flow into it
8. n. a cell for violent prisoners