A1 a period of time equal to 60 seconds: It’ll take you thirty minutes to get to the airport. She was ten minutes late for her interview.
A2 a very short period of time: I’ll be with you in a minute.
wait/just a minute B1 used when asking someone to wait for a short time: Just a minute – Ileft my coat in the restaurant.
at the last minute › at the latest time possible: The concert was canceled at the last minute.
(at) any minute › very soon: Her train will be arriving any minute.