a joint (=part in the body where two bones meet) in which one bone turns around on another bone. This type of joint allows, for example, the head to turn from side to side.
Synonyms and related words
Bones and joints in the body
ankle
backbone
ball-and-socket joint
pivot joint
noun countable medical
US
Word Forms
singular
pivot joint
plural
pivot joints
DEFINITIONS1
1
a joint (=part in the body where two bones meet) in which one bone turns around on another bone. This type of joint allows, for example, the head to turn from side to side.