WordWeb Online

1. (military) an enclosed armoured military vehicle; has a cannon and moves on caterpillar treads
   - army tank, armored combat vehicle [US], armoured combat vehicle [Brit, Cdn]
    
2. A large (usually metallic) vessel for holding gases or liquids
   - storage tank
    
3. As much as a tank will hold
   - tankful
    
4. A freight car that transports liquids or gases in bulk
   - tank car
    
5. [N. Amer, informal] A cell for violent prisoners
   - cooler [informal]

1. Store in a tank by causing (something) to flow into it
    
2. Treat in a tank
   "tank animal refuse"
    
3. [N. Amer, informal] Fail badly
   "How many contracting businesses will tank this year?";
   - crash and burn [informal], bomb [informal]
    
4. [informal] Consume excessive amounts of alcohol

Derived forms: tanks, tanking, tanked

Type of: armored vehicle [US], armoured vehicle [Brit, Cdn], booze [informal], cell, containerful, drink, freight car, fuddle, hit the bottle [informal], jail cell, military vehicle, peter [Austral, NZ, informal], prison cell, process, store, tracked vehicle, treat, vessel

Encyclopedia: Tank, Cruiser, Ram