priapism
/ˈpraɪəˌpɪzəm/
noun
- A medical condition in which the penis remains erect for a prolonged period, often painful and unrelated to sexual arousal.
- Priapism is a medical emergency that requires immediate treatment.
- Sickle cell disease can sometimes cause priapism in men.
- The patient was diagnosed with priapism after his erection lasted over four hours.