To end something.
To announce the closing of a pub for the day.
To call a timeout.
To indicate that an activity, especially the taking of a test, is complete.
The expected time of arrival for participants in a performance event, e.g., a play or concert.
To divide; to separate; to break the monotony of.
To disturb or halt (an ongoing process or action, or the person performing it) by interfering suddenly.
To assert to (a computer) that an exceptional condition must be handled.
An event that causes a computer or other device to temporarily cease what it was doing and attend to a condition.