/mid"terrm'/ , n.
1. the middle or halfway point of a term, as a school term or term of office.
2. Often, midterms . Informal. an examination or series of examinations at the middle of a school term.
adj.
3. pertaining to or occurring on or about the middle of a term, as a school term or term of office: a midterm recess; midterm elections.
[ 1865-70; MID- + TERM ]