Backsword n. : A sword with one sharp edge.

Backsword n. : In England, a stick with a basket handle, used in rustic amusements; also, the game in which the stick is used. Also called singlestick.

Example:
I herd its considird a grate honer in some 3rd world countrys, like brazil chinese or germiny?

Taxonomy
backsword, free encyclopedia, sword, secondary weapons, weapon, Blade weapons, search, edge, acts, protective, manuscripts, train, art of fighting, fashion, European-style, 17th centuries, the practice, riding.

Defination from the web:
Backsword. From Wikipedia, the free encyclopedia. Jump to: navigation, search ... It can also refer to the singlestick, which is used to train for fighting with the backsword, or to the sport or art of fighting in this fashion.[3] ...