elective course

noun
UK /ɪˈlɛktɪv kɔːs/
US /ɪˈlɛktɪv kɔːrs/

A class you choose to take because you want to, not because you have to.

She picked art as her elective course this year.


OTHER MEANINGS

2. A college class students may select from a range of options outside their main field.

He took a photography elective course to balance his science classes.

3. Any training session chosen freely rather than required for a job.

The company offers an elective course in public speaking for interested staff.

4. A study unit selected by the student rather than assigned by the school.

Students must complete two elective courses before graduation.