Found 2 items, similar to trimester.
English → English (WordNet) Definition: trimester trimester n 1: a period of three months; especially one of the three three-month periods into which human pregnancy is divided 2: one of three divisions of an academic year
English → English (gcide) Definition: Trimester Trimester \Tri*mes"ter\, n. [L. trimestris of three months; tri- (see Tri-) + mensis month: cf. F. trimestre.] A term or period of three months. [1913 Webster]