1) Academic period 2) Academic session 3) Academic stretch 4) Academic term 5) College half-year 6) College period 7) College term 8) Course length 9) Fall for a senior 10) Fall or spring period 11) Grading period 12) Half a school year 13) Half a year 14) Half a year in ancient days 15) Half-year 16) Learning period 1) Term 
• (n.) A period of six months; especially, a term in a college or uneversity which divides the year into two terms.
One of the periods into which the academic year is divided. There are two semesters per academic year.
Half of the study year (usually Autumn to Spring and Spring to Summer)
A block of teaching time of around 14-15 weeks. The University`s academic year is made up of two semesters.
A period of time, usually about fifteen weeks, during which a post-secondary school is in session. I
Se·mes'ter noun [ G., from Latin semestris half-yearly; sex six + mensis a month.] A period of six months; especially, a term in a college or uneversity which divides the year into two terms. 
[n] - one of two divisions of an academic year 2. [n] - half a year
An academic year is divided into either two semesters or 3 terms.