Someone who starts something.
a starter on a journey
Something that starts something.
It's small, but it's a good starter house.
The first course of a meal, consisting of a small, usually savoury, dish.
(team sports) A player in the lineup of players that a team fields at the beginning of a game.
A dog that rouses game.
A short length of rope formerly used for casual chastisement in the Navy.
A railway signal controlling the starting of trains from a station or some other location, more fully called a starter signal or starting signal.