bar (prefix): Aramaic for the Hebrew בּן, beÌ„n, “son.†Compare Aramaic sections of Ezra and Daniel. In the Old Testament the word is found three times in and once in Syriac (Hier. translates “pureâ€). In the New Testament “Bar†is frequently employed as prefix to names of persons. Compare Barabbas; Bar-Jesus; Bar-Jonah; Barnabas; Barsabbas; Bartholomew; Bartimeus. See BEN.