BT Ḥul 48b(30) :ההיא מחטא דאישתכח בסימפונא רבה דריא‏ : a certain needle which was found in the large bronchus of the lung
See the entire entry for maḥḥaṭ, mḥaṭṭā/maḥḥəṭā n.m.(f.) needle