symphysis pubis

noun1

1. •
   The midline cartilaginous joint uniting the superior rami of the left and right pubic bones (pubis), also known as the pubic symphysis. In men, it supports the suspensory ligament; in women, it loosens and flexes to aid childbirth.

   • The head was above the symphysis pubis, but she could not feel anything else definitive. — 2009