cotyloidal
/ˌkɑtɪˈlɔɪdəl/
adjective
- Shaped like a cup or socket; relating to a cup-shaped cavity in a bone.
- The cotyloidal cavity of the hip bone holds the head of the femur.
- The bone had a smooth, cotyloidal depression where the joint connected.
- Surgeons examined the cotyloidal surface for signs of wear.
Synonyms