primaryrole
nounUK /ˈpraɪ.mə.ri rəʊl/
US /ˈpraɪ.mɛr.i roʊl/
The main job that someone or something is meant to do.
The primary role of a teacher is to help students learn.
RELATED WORDS
OTHER MEANINGS
2. The most important part an actor plays in a movie or play.
She was excited to take on the primary role in the school play.
3. The leading function of a device or machine.
The primary role of a fire alarm is to warn people of danger.
4. The main purpose of a part within a system or team.
In a beehive, the primary role of worker bees is to gather food.