starter means: Mixture of water, flour, yeast, and sugar. It is left to ferment for a few days in warm conditions until it becomes foamy. The starter can be used in the place of bread yeast, typically after adding flour and water to the mix. After initial development, starters are stored in the fridge and fed every two weeks. (in Cooking Dictionary)

What else does starter mean?

It all starts with one. (in Merlin Dictionary)

Attachment for cranking an internal-combustion motor without the need to use a hand crank. (in Merlin Dictionary)

Device that causes high-voltage current to flow across fluorescent lamps’ electrodes. (in Merlin Dictionary)

A person who announces the beginning of a race. (in Merlin Dictionary)

Participant who starts in a race or game. (in Merlin Dictionary)

A pitcher is the first to pitch for one team during a game. (in Merlin Dictionary)

One pitcher who starts games regularly for a team. (in Merlin Dictionary)

An appetizer is the first of any series or course, particularly of a meal. (in Merlin Dictionary)

( For starters (To begin with, initially. (in Merlin Dictionary)