Definitions

1. adjective

Relating to the joint between the atlas and axis bones in the neck.

“The atlantoaxial joint is a crucial part of the human spine.”

2. noun

The joint itself between the atlas and axis bones in the neck.

“The atlantoaxial joint allows for a wide range of motion in the neck.”

3. noun

A condition or injury affecting the atlantoaxial joint.

“He suffered a atlantoaxial injury in the car accident.”