Definition of "tank" []

• A large, often metallic container for holding or storing liquids or gases. (noun)
• The amount that this container can hold: buy a tank of gas. (noun)
• A usually artificial pool, pond, reservoir, or cistern, especially one used to hold water for drinking or for irrigation. (noun)
• An enclosed, heavily armored combat vehicle that is armed with cannon and machine guns and moves on continuous tracks. (noun)
• A tank top. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The separation of Atlantis from the main tank is AWESOME."
• "Does this mean wars now have referees who decide whether or not a tank is allowed to go into battle?"
• "You'll know precisely how full the tank is at all times."