noun a member of the house of commons.
2. commoner ·noun a prostitute.
3. commoner ·noun one sharing with another in anything.
4. commoner ·noun one who has a joint right in common ground.
5. commoner ·noun one of the common people; one having no rank of nobility.
6. commoner ·noun a student in the university of oxford, ·eng., who is not dependent on any foundation for support, but pays all university charges; - - at cambridge called a pensioner.