sacroposterior position

[ săk′rō-pŏ-stîrē-ər, -pō-, sā′krō- ]

n.

A breech presentation of the fetus with the sacrum directed toward either the left or right rear quarter of the mother's pelvis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.