Delay is a common English word with multiple meanings:
1. As a verb: to make something happen at a later time than originally planned
2. As a noun: the amount of time by which something is late or postponed
3. In technology: the time between the initiation of something and its occurrence
4. In music: an audio effect that records an input signal and plays it back after a period of time
5. In aviation: when a flight is late in departing or arriving