noun
cash register; register
Refers to the machine itself. Abbreviation of レジスター.
See also: レジスター
レジが故障して、会計に時間がかかった。
The cash register broke down, so checkout took a long time.
noun
checkout counter;
Refers to the place where you pay, or the person operating the register. Common in retail and restaurant contexts.
レジでお金を払ってください。
Please pay at the checkout counter.
レジの人がとても親切だった。
The cashier was very kind.