Hebrew swords were pointed, sometimes two-edged, was worn in a sheath, and suspended from the girdle (Exodus 32:27; 1 Samuel 31:4; 1 Chronicles 21:27; Psalms 149:6: Proverbs 5:4; Ezek. 16:40; 21:3-5).
A sword is a symbol of divine chastisement (Deuteronomy 32:25; Psalms 7:12; 78:62).
It is also a symbol of a slanderous tongue (Psalms 57:4; 64:3).
There is one who speaks rashly like the thrusts of a SWORD,
But the tongue of the wise brings healing. —Proverbs 12:18 NASB
The word of God is also likened to a sword.
For the word of God is living and active and sharper than any two-edged SWORD, and piercing as far as the division of soul and spirit, of both joints and marrow, and able to judge the thoughts and intentions of the heart. —Hebrews 4:12 NASB
Stand firm therefore, having girded your loins with truth, and having put on the breastplate of righteousness, and having shod your feet with the preparation of the gospel of peace; in addition to all, taking up the shield of faith with which you will be able to extinguish all the flaming arrows of the evil one. And take the helmet of salvation, and the SWORD of the Spirit, which is the word of God. —Ephesians 6:14-17 NASB
In His right hand He held seven stars, and out of His mouth came a SHARP TWO-EDGED SWORD; and His face was like the sun shining in its strength. —Revelation 1:16 NASB
Gideon's watchword was, “The sword of the Lord” (Judges 7:20).