starter

An electric motor for starting an engine.

A hand tool consisting of a rotating shaft with parallel handle.

The official who signals the beginning of a race or competition.

Any new participant in some activity.

Food or drink to stimulate the appetite (usually served before a meal or as the first course).

A contestant in a team sport who is in the game at the beginning.

A culture containing yeast or bacteria that is used to start the process of fermentation or souring in making butter or cheese or dough.

“to make sourdough you need a starter”