*tank¹/tæŋk; tæŋk/ n [C] 1 a large container for holding liquid or gas 〔盛液体或气体的〕大容器: the hot water tank 热水箱 petrol tankBrE 【英】 /gas tankAmE 【美】(=a tank in a car for petrol) 〔汽车的〕油箱 2 a heavy military vehicle with a large gun, which moves on special belts that are turned by several wheels 坦克(车)