■ noun 'prəʊlaps , prə'laps a slipping forward or down of a part or organ of the body.
↘a ~d part or organ.
■ verb prəʊ'laps [usu. as adjective ~d ] slip forward or down: a ~d uterus.
Origin
C18: from L. prolaps- , prolabi 'slip forward', from pro- 'forward, down' + labi 'to slip'.