acromion

n. outer edge of the shoulder blade (Anatomy)

The acromion process, or simply the acromion, is an anatomical feature on the scapula.
See more at Wikipedia.org...

Acromion /acro·mi·on/ the lateral extension of the spine of the scapula, forming the highest point of the shoulder. a·cro·mi·on n. [more]Acromion - Community and Resources

Noun
1. the outermost point of the spine of the shoulder blade
(synonym) acromial process
(hypernym) process, outgrowth, appendage
(part-holonym) scapula, shoulder blade, shoulder bone

n. acromion, outer edge of the shoulder blade (Anatomy)