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checker [n]

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Meaning:
- Someone who seats at the cash in the supermarket and whose job is to calculate the purchases of the customers then receives their payment.
Examples:
- If they had more checkers, we wouldn’t have to stay in the que for a long time.
- Our purchase is finished. Let’s go to the checker and pay for them.
- The cashier, or checker, at the grocery store quickly scanned the items in my cart.
- In the game of checkers, each player starts with 12 checkers of their color.
- Before submitting her essay, she used a grammar checker to catch any mistakes.
- The quality checker flagged several products that didn’t meet the standards.