Bimonthly
noun
A publication that is published on a bimonthly basis.
“We have to get the report done. If the boss doesn't get his bimonthly he'll scream.”
adjective
Occurring once every two months; bimestrial
Twice every month; semimonthly.
“His bimonthly appointment was almost due.”
adverb
Once every two months; bimestrially
Twice every month; semimonthly.
“They checked on his progress bimonthly.”