Brown-Driver-Briggs' Hebrew DefinitionsBDB1343 בּרק 1. (Qal) to flash lightning, cast forth (lightning) Origin: a primitive root TWOT: 287 Parts of Speech: Verb
בּרק bârâq baw-rawk' From H1299; lightning; by analogy a gleam; concretely a flashing swordKJV Usage: bright, glitter (-ing, sword), lightning.