bimestrial

[ bahy-mes-tree-uh l ]
/ baɪˈmɛs tri əl /

adjective

occurring every two months; bimonthly.
lasting two months.

Origin of bimestrial

1840–50; < Latin bimē(n)stris bimester + -al1

British Dictionary definitions for bimestrial

bimestrial
/ (baɪˈmɛstrɪəl) /

adjective

lasting for two months
a less common word for bimonthly (def. 1)

Derived forms of bimestrial

bimestrially, adverb

Word Origin for bimestrial

C19: from Latin bimēstris, from bi- 1 + mēnsis month