- prolonged painful erection of the penis, caused by neurological disorders, obstruction of the penile blood vessels, etc
WordReference Random House Unabridged Dictionary of American English © 2026
pri•a•pism
(prī′ə piz′əm),USA pronunciation n.
pri′a•pis′mic, adj.
- Pathologycontinuous, usually nonsexual erection of the penis, esp. due to disease.
- prurient behavior or display.
- Priap(us) + -ism 1580–90
Collins Concise English Dictionary © HarperCollins Publishers::
priapism /ˈpraɪəˌpɪzəm/ n