bimonthly
/baɪmɒnθli/ BIE-mon-thlee
Definitions
1. adjective
Happening or done every two months; occurring twice a month.
“The magazine is published bimonthly and has a large following.”
2. adverb
In a bimonthly manner; every two months.
“The concert series takes place bimonthly, with three performances per event.”