XX (a desert ), the ninth son of Ishmael, ( Genesis 25:15 ; 1 Chronicles 1:30 ) whence the tribe called after him, mentioned in ( Job 6:19 ; Jeremiah 25:23 ) and also the land occupied by this tribe. ( Isaiah 21:13 Isaiah 21:14 ) (B.C. after 1850.) The name is identified with Teyma , a small town on the confines of Syria.