noun

• (countable, obsolete) An occurrence or event.
• (countable, uncountable) The regulation of the pace of e.g. an athletic race, the speed of an engine, the delivery of a joke, or the occurrence of a series of events.
• (countable, uncountable) The time when something happens.
• (uncountable) The synchronization of the firing of the spark plugs in an internal combustion engine.
• (countable) An instance of recording the time of something.