'Two edged' in the Bible

For the word of God is lively and efficacious, and sharper than any two-edged sword, piercing even to the dividing of soul and spirit, and of the very joints and marrow, and judging the thoughts and intentions of the heart.

and He had in his right hand seven stars, and out of his mouth went a sharp two-edged sword: and his countenance was as the sun when he shineth in his strength.

And to the angel of the church in Pergamos write, These things saith He, who hath the sharp two-edged sword;