Definition of "Tank" :
noun: a cell for violent prisoners
noun: a large (usually metallic) vessel for holding gases or liquids
noun: an enclosed armored military vehicle; has a cannon and moves on caterpillar treads
noun: a freight car that transports liquids or gases in bulk
noun: as much as a tank will hold
verb: treat in a tank
"Tank animal refuse."
verb: consume excessive amounts of alcohol
verb: store in a tank by causing (something) to flow into it