Trimester

Look up trimester in Wiktionary, the free dictionary.

Look up Trimestre in Wiktionary, the free dictionary.

Trimester may refer to:

• Academic term, a trimester system divides the academic year into three terms
• Human pregnancy, which is frequently divided into three terms of about three months each to refer to the fetus's development
• A period of three months (Latin tri +mensis=month or moon) In Europe, where financial years start on Jan 1 each year, often Jan+Feb+Mar etc.