Noun

• S: (n) tank, army tank, armored combat vehicle, armoured combat vehicle (an enclosed armored military vehicle; has a cannon and moves on caterpillar treads)
• S: (n) tank, storage tank (a large (usually metallic) vessel for holding gases or liquids)
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• S: (n) vessel (an object used as a container (especially for liquids))
• derivationally related form
• S: (n) tank, tankful (as much as a tank will hold)
• S: (n) tank car, tank (a freight car that transports liquids or gases in bulk)
• direct hypernym / inherited hypernym / sister term
• S: (n) freight car (a railway car that carries freight)
• S: (n) boxcar (a freight car with roof and sliding doors in the sides)
• S: (n) cattle car (a freight car for transporting cattle)
• S: (n) coal car (freight car with fixed sides and no roof; for transporting coal)
• S: (n) flatcar, flatbed, flat (freight car without permanent sides or roof)
• S: (n) gondola car, gondola (a low flat-bottomed freight car with fixed sides but no roof)
• S: (n) refrigerator car (a freight car that is equipped with refrigeration system)
• S: (n) tank car, tank (a freight car that transports liquids or gases in bulk)
• S: (n) cooler, tank (a cell for violent prisoners)

Verb

• S: (v) tank (store in a tank by causing (something) to flow into it)
• S: (v) tank (consume excessive amounts of alcohol)
• S: (v) tank (treat in a tank) "tank animal refuse"