trimester
NounUS[trahy-mes-ter]/traɪˈmɛstɚ/3 syllables
Open English WordNet
Noun (2)
- a period of three months; especially one of the three three-month periods into which human pregnancy is dividedType of time period, period of timeKinds first trimester, second trimester, third trimesterPart of gestation, gestation period
- one of three divisions of an academic yearType of school term, academic termPart of school year, academic year
Word of the day · Sep 29About this word
haphazardadjective
What does it mean? Question 1 of today’s quiz
Webster's Dictionary (1913)
Tri·mes′ter noun
Origin: L. trimestris of three months; tri- (see Tri-) + mensis month: cf. F. trimestre.
A term or period of three months.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54