verb:to examine something to determine its accuracy, quality, or condition
Please check your work before submitting it.
noun:a written order directing a bank to pay money from an account
He paid his rent with a personal check.
noun:a bill in a restaurant
The waiter brought the check after we finished our meal.
noun:a mark (✓) used to indicate that something is correct or has been selected
Put a check next to the items you have completed.
noun:in chess, a situation where the king is under direct attack
She put her opponent's king in check.
verb:to leave something in someone's care temporarily
We checked our coats at the door.