Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of trimester is as below...

Trimester :: Trimester (n.) A term or period of three months.

Trimestrial :: Trimestrial (a.) Of or pertaining to a trimester, or period of three months; occurring once in every three months; quarterly..

Random Fonts

Most Popular