- tank
- tank1 W2S2 [tæŋk] n[Date: 1600-1700; : Portuguese; Origin: tanque 'pool']1.) a large container for storing liquid or gas▪ The water tank is leaking.▪ Somehow the chemical got from a storage tank into water supplies.fish/marine/breeding tank(=for keeping or breeding fish in)▪ the plane's fuel tankpetrol tankBrE gas tankAmE2.) also tankfulthe amount of liquid or gas held in a tank▪ We set off next day on a full tank.tank of▪ a tankful of petrol3.) a heavy military vehicle that has a large gun and runs on two metal belts fitted over its wheels4.) a large artificial pool for storing water5.) in the tankAmE informal failing and losing moneybe/go in the tank▪ Sales can't keep going up, but that doesn't mean the industry is going in the tank.tank 2tank2 v1.)to decrease quickly or be very unsuccessful▪ Not long after the chairman resigned, shares in the company tanked.2.) [I] [i]BrE informal to travel very fast in a car or vehicle3.) also tank it [T]to deliberately lose a sports game that you could have wontank up phr vespecially AmE to put petrol in your car so that the tank is full
Dictionary of contemporary English. 2013.