Al-Máida 5:104 واذا قيل لهم تعالوا الى ما انزل الله والى الرسول قالوا حسبنا ما وجدنا عليه اباءنا اولو كان اباوهم لا يعلمون شييا ولا يهتدون ١٠٤

The Meaning of Bahirah, Sa'ibah, Wasilah and Ham

Al-Bukhari recorded that Sa`id bin Al-Musayyib said, "The Bahirah is a female camel whose milk was spared for the idols and no one was allowed to milk it. The Sa'ibah is a female camel let loose for free pasture for the idols, and nothing was allowed t