a turning or tilting backward of an organ or body part; "retroversion of the uterus"
translation back into the original language; "the teacher translated Latin texts into English which he gave to his students for retroversion"
a form of acetabular dysplasia where the socket is facing more backwards than it normally would, which can cause the femur (thigh bone) to bump into it when you flex your hip
Latin retro = backwards, and version = turned; hence, the position of being turned backwards, applied to the angulation of the cervix uteri on the vagina.