חרב
chôrêb
kho-rabe'
From H2717; desolate; Choreb, a (generic) name for the Sinaitic mountains
KJV Usage: Horeb.

Brown-Driver-Briggs' Hebrew Definitions

חרב
Horeb = "desert"
1. another name for Mount Sinai from which God gave the law to Moses and the Israelites
Origin: from H2717
TWOT: 731c
Parts of Speech: Proper Name Location