əˈkrōmɪɒn

Definitions

1. noun

The lateral (outer) end of the spine of the scapula (shoulder blade), where it forms the top of the shoulder and articulates with the clavicle (collarbone) and acromioclavicular joint.

“The doctor examined the patient’s shoulder, focusing on the acromion where the injury had occurred.”

2. anatomy

A bony projection at the top of the scapula (shoulder blade) that forms the highest point of the shoulder and articulates with the acromioclavicular joint.

“The anatomy textbook included detailed illustrations of the acromion and its surrounding bone structures.”