semester

One of two divisions of 15 to 18 weeks each of an academic year.

A period or term of six months; specifically, one of the half-year courses in German and many other Continental universities, and hence in some colleges in the United States: as, the summer and winter semesters.

A period of six months; especially, a term in a college or university which divides the year into two terms.

Half of a school year (US) or academic year such as fall or spring semester.

half a year; a period of 6 months

one of two divisions of an academic year