a Jewish rabbi of the 16th century, belonged to those exiles who left Spain in 1492. Jaabez settled at Adrianople, where he became rabbi preacher. He wrote מאמר האחדות, or system of Jewish dogmatics (Ferrara, 1554): — האמונה יסיַד, or Dogmatics of Judaism, printed with the "system:" — איר החיים, or faith triumphant over philosophy (ibid. eod.; Amsterdam, 1781; Praemvsl, 1873): פרוש על תהלי, a commentary on the Psalms (Salonika, 1571). See De' Rossi, Dizionario Storico (Germ. transl.), 132 sq.; Furst, Bibl. Jud. 2:1; Jellinek, Joseph Jaabez, eine kurze Biographie in Literatur-Blatt des Orients, 1846, col. 261 sq. (B.P.)