acromioclavicular joint

noun

A joint at the top of the shoulder, the junction between the acromion and the clavicle.

Similar
AC joint
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Meanings

nounacromioclavicular joint (plural acromioclavicular joints)

plural acromioclavicular joints

  1. anatomyA joint at the top of the shoulder, the junction between the acromion and the clavicle.

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

    2007 September 11, John Branch, “Eli Manning Could Sit Out Against Packers”, in New York Times

    Synonyms: AC joint

Synonyms & antonyms

nounA joint at the top of the shoulder, the junction between the acromion and the clavicle.

Similar
AC joint
Cite this entry
APA

acromioclavicular joint. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/acromioclavicular%20joint

MLA

“acromioclavicular joint.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/acromioclavicular%20joint. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “acromioclavicular joint,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/acromioclavicular%20joint.

Source: acromioclavicular joint on Wiktionary, CC BY-SA 4.0.