кассу

In a sentence

• Я подошел к кассе, чтобы оплатить покупку.

  I approached the cash register to pay for my purchase.

  In this sentence, 'касса' refers to the cash register or checkout location in a store where payments are made.

• У нас в театре можно взять билеты за два часа до начала у кассы.

  In our theater, tickets can be picked up two hours before the start at the box office.

  Here, 'касса' refers to a box office or ticket counter, specifically in a theater setting.

• Касса закрыта, но оплату можно произвести через терминал.

  The cashier is closed, but the payment can be made through the terminal.

  In this usage, 'касса' is a designation for the cashier or payment office.