noun The beginning point of a race, a board game, etc.
Captured pieces are returned to the start of the board.
noun An appearance in a sports game, horserace, etc., from the beginning of the event.
Jones has been a substitute before, but made his first start for the team last Sunday.
noun A young plant germinated in a pot to be transplanted later.
noun An initial advantage over somebody else; a head start.
to get, or have, the start
noun A happening or proceeding.
noun Alternative letter-case form of Start (“a typical button for video games, originally used to start a game, now also often to pause or choose an option”)