noun
blade length; length of a blade
Refers to the measurable length of a sword, knife, or similar bladed weapon or tool.
この刀の刃渡りは約70センチです。
The blade length of this sword is about 70 centimeters.
noun
sword-edge walking; walking barefoot on a sword blade
A traditional acrobatic or circus stunt where a performer walks barefoot along the sharp edge of a sword blade.
I saw a sword-edge walking stunt at the circus.