'Two edged' in the Bible

Let high praises to God be heard in their throats, while they wield two-edged swords in their hands

In his right hand he held seven stars, and out of his mouth came a sharp, two-edged sword. His face was like the sun when it shines with full force.

"To the messenger of the church in Pergamum, write: "The one who holds the sharp, two-edged sword, says this: