uterosacral ligament

noun

utero·​sa·​cral ligament ˌyüt-ə-rō-ˌsak-rəl-, -ˌsāk- 

: a fibrous fascial band on each side of the uterus that passes along the lateral wall of the pelvis from the uterine cervix to the sacrum and that serves to support the uterus and hold it in place

called also sacrouterine ligament