A mountain in Arabia (Ga 4:25), apparently also called Horeb. (Compare Ex 3:1, 12; 19:1, 2, 10, 11; see HOREB.)
... Near Mount Sinai, or Horeb, Jehovah’s angel appeared to Moses in the burning thornbush and commissioned him to lead the enslaved Israelites out of Egypt. (Ex 3:1-10; Ac 7:30)