BesaiSmith's Dictionary(sword). “Children of Besai” were among the Nethinim who returned to Judea with Zerubbabel. (Ezra 2:49; Nehemiah 7:52)International Standard Bible Encyclopediabe'-si (becay, "downtrodden"): The descendants of Besai (Nethinim) returned with Zerubbabel to Jerusalem (Ezr 2:49; Ne 7:52 = Basthai, 1 Esdras 5:31).