WordReference Random House Unabridged Dictionary of American English © 2026
bi•mes•ter
(bī mes′tər, bī′mes-),USA pronunciation n.
- a two-month period.
- Latin bimē(n)stris of a bimester, equivalent. to bi- bi-1 + mē(n)s- (stem of mēnsis) month + -tris adjective, adjectival suffix
'bimester' also found in these entries (note: many are not synonyms or translations):