bright, glitter(-ing sword), lightning

Boyd’s Bible Dictionary:

A short, two-edged, dagger-like weapon, carried in a sheath or scabbard, and suspended to the girdle or belt

Concise Bible Dictionary:

Sword

Strong’s Dictionary of Hebrew Words:

Transliteration:
baraq
Phonic:
baw-rawk’
Meaning:
from 1299; lightning; by analogy, a gleam; concretely, a flashing sword
KJV Usage:
bright, glitter(-ing sword), lightning