1. Noun

   1.

   edge (of a knife or sword); blade

2. 2.

   prong (of an electrical plug)

3. Wikipedia definition

   3.

   Blade

Example sentences

• 付け焼刃じゃダメだ。

  Mere pretense won't do.

• やがて彼は白刃を鞘に収めた。

  Eventually, he returned the sword to its sheath.