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.
Does bimonthly mean twice a month? No! bi-monthly means every two months, like bi-weekly means every two weeks. semi-monthly means twice a month. Think of mortgage payments or payroll, bi-weekly payroll meaâ¦ns one receives payroll every second week (i.e. every second Friday). Semi-monthly payroll means twice a month (typically the 1st and 15th of the month).