A pear-shaped organ in the female reproductive system where the embryo or fetus develops until birth. The strong muscles of the uterus help push the baby out of the mother's body.
uterus u·ter·us (y&oomacr;'tər-əs)
n. pl. u·ter·us·es or u·ter·i (y&oomacr;'tə-rī')
A hollow muscular organ consisting of a body, fundus, isthmus, and cervix located in the pelvic cavity of female mammals, in which the fertilized egg implants and develops into the fetus. Also called metra, womb.