'Two edged' in the Bible

For the word of God is quickening, and energetic, and sharper than every two-edged sword, and piercing through and through, so as to divide both soul and spirit, both joints and spinal marrow, and critically judges the thoughts and intents of the heart.

And he held in his right hand seven stars; and out of his mouth proceeded a sharp two-edged sword; and his countenance was as when the sun shineth in his meridian lustre.

And to the angel of the church at Pergamos write, These things saith he who holdeth the sharp two-edged sword;