ship images. The Makin Island Raid (occurred on 17 - 18 August 1942) was an attack by the United States Marine Corps on Japanese military forces on Makin Island (now known as Butaritari Island) in the Pacific Ocean.
Biannual is derived from the prefix bi-, which means two, twice, double, doubly, as it comes from the Latin bi-, meaning twice, double, and annual comes from the Old French twelfth century word, annuel, which derives from the Latin annus, year.
The definition of bimonthly is happening every two months, or it could be used in place of semimonthly to mean twice a month. 1  An example of bimonthly used as an adjective is the phrase a bimonthly bill which means a bill that comes every two months. An example of bimonthly used as an adjective is the phrase a bimonthly paycheck which means a paycheck that comes two times a month.