Meaning of 両刃剣 in Japanese

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Definition of 両刃剣

けん(ken) · つるぎ(tsurugi) 【剣 ·劒 ·劍】

(n) sword (originally esp. a doubled-edged sword); sabre; saber; blade
剣を取る者は皆剣で滅びる。
All who take up the sword will perish by the sword.
bayonet
swordsmanship
stinger; ovipositor; dart

もろは(moroha) · りょうば(ryouba) 【諸刃 ·もろ刃 ·両刃 ·双刃】