Main Entry: ¹pro·lapse

Pronunciation: \prō-ˈlaps, ˈprō-ˌ\

Function: noun

Etymology: New Latin prolapsus, from Late Latin, fall, from Latin prolabi to fall or slide forward, from pro- forward + labi to slide — more at pro-, sleep

Date: circa 1834

: the falling down or slipping of a body part from its usual position or relations