- Bo is the Japanese name for staff. This simple weapon is nothing more than a long straight stick between 1 to 2 meters (4 to 6 feet) in length. Don't underestimate this weapon, it is very powerful, and can easily defeat a swordsman. The greatest swordsman in ancient Japan was only defeated once, and his opponent used a staff.
The writer's dictionary of science fiction, fantasy, horror and mythology. 2014.