pro ‧ lapse /ˈprəʊlæps, prəʊˈlæps $ proʊˈlæps, ˈproʊlæps/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: Modern Latin ; Origin: prolapsus , from Latin , past participle of prolabi 'to slide forward' ]
medical the slipping of an inner part of your body, such as the ↑ womb , from its usual position