priapism
noun /ˈpraɪəpɪzəm/
/ˈpraɪəpɪzəm/
[uncountable] (medical)- a condition in which a man’s penis remains erect (= stiff)Word Originlate Middle English: via late Latin from Greek priapismos, from priapizein ‘be lewd’, from Priapos (Greek form of Priapus, a god of fertility).