noun
A container or reservoir for holding liquid or gas, often in compounds such as ガソリンタンク or 貯水タンク.
タンクに水をためておく。
We store water in a tank.
車のガソリンタンクがほとんど空だ。
The car's gas tank is almost empty.
noun
tank; military tank
A military armored vehicle. In ordinary Japanese, 戦車 is the standard word; タンク is a loanword-style equivalent and may appear in translated or compound-like contexts.
See also: 戦車
敵のタンク部隊が前線に到着した。
The enemy tank unit arrived at the front.