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Definition of Acromioclavicular joint
1. Noun. (anatomy) A joint at the top of the shoulder, the junction between the acromion and the clavicle. ¹
¹ Source: wiktionary.com
Medical Definition of Acromioclavicular joint
1. The joint formed by the acromion of the scapula and the acromial extremity of the clavicle. (12 Dec 1998)