acromioclavicular joint

English

Noun

acromioclavicular joint (plural acromioclavicular joints)

1. (anatomy) A joint at the top of the shoulder, the junction between the acromion and the clavicle.
   • 2007 September 11, John Branch, “Eli Manning Could Sit Out Against Packers”, in New York Times‎^[1]:

     He waved them up and down to show that his throwing shoulder still operates despite a sprained acromioclavicular joint, or AC joint.

Synonyms

• AC joint