Definition from Wiktionary, the free dictionary
trimestral (not comparable)
- (rare) Of trimesters or the use thereof.
- The school found that a trimestral system mitigated some of the problems caused by its high student turnover.
- This adjective is disproportionately used by Spanish speakers, who use it to translate Spanish trimestral.
trimestral m, f (plural trimestrais)
trimestral (plural trimestrales)