What is the name of the Klingon curve blade?

The bat'leth (Klingon: betleH, rough pronunciation: [ˈbɛtʰlɛx]; plural betleHmey, [ˈbɛtʰlɛxmɛj]) is a double-sided scimitar/hook sword/deer horn knives hybrid-edged weapon with a curved blade, four points, and three handholds on the back.