CHECKOUT

check, checkout, check-out procedure

(noun) the act of inspecting or verifying; “they made a check of their equipment”; “the pilot ran through the check-out procedure”

checkout, checkout counter

(noun) a counter in a supermarket where you pay for your purchases

checkout, checkout time

(noun) the latest time for vacating a hotel room; “the checkout here is 12 noon”

Source: WordNet® 3.1

Etymology

Noun

checkout (plural checkouts)

The process of checking out of a hotel, or the latest time to vacate a room in one.

The process of checking out items at a supermarket or library.

The place in a supermarket where this is done.

A test to see if some device is functioning properly.

An inspection or investigation.

Source: Wiktionary