starter (Noun) — An electric motor for starting an engine.
starter (Noun) — A contestant in a team sport who is in the game at the beginning.
starter (Noun) — The official who signals the beginning of a race or competition.
starter (Noun) — Any new participant in some activity.
starter (Noun) — Food or drink to stimulate the appetite (usually served before a meal or as the first course).
starter (Noun) — A hand tool consisting of a rotating shaft with parallel handle.
starter (Noun) — A culture containing yeast or bacteria that is used to start the process of fermentation or souring in making butter or cheese or dough. ex. "to make sourdough you need a starter"