Pronunciation: ( Seph. Heb.pēd-yôn' hä-ben'; Ashk. Heb.,Eng.pid'yun hä-ben'),[key]Judaism. the rite of relieving the first male child born to parents not descended from Aaron or Levi of certain religious obligations by redeeming him from a member of the priestly class, celebrated 30 days after the child's birth. Also,Pid•yon' ha-Ben'.