1 occurrence in 1 dictionary
Reference: Jahaz, also Jahaza, Jahazah and Juhzah
Smith
Ja'haz, also Jaha'za, Jaha'zah and Juh'zah
(trodden down). Under these four forms is given in the Authorized Version the name of a place which in the Hebrew appears as Yahats and Yahtsah. At Jahaz the decisive battle was fought between the children of Israel and Sihon king of the Amorites.
It was in the allotment of Reuben.
Like many others relating to the places east of the Dead Sea, the question of its site must await further research.