noun, noun which may take the genitive case particle 'no'
bimonthly
Used as a noun or adjectival noun meaning something occurring every two months or twice a month. In Japanese, context often clarifies the intended frequency; when precision is needed, 隔月 (every two months) or 月2回 (twice a month) may be used instead.
This magazine is published bimonthly.
Bimonthly meetings are held twice a month.
Borrowed from English 'bimonthly'.