from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The outer end of the scapula to which the collarbone is attached.

from The Century Dictionary.

  • noun In anatomy, the distal end of the spine of the scapula or shoulder-blade.
  • noun In ichthyology, same as supraclavicle; a shoulder-girdle bone above the clavicle.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) The outer extremity of the shoulder blade.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy The outermost point of the shoulder blade.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the outermost point of the spine of the shoulder blade


from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin acrōmion, from Greek akrōmion : akros, extreme; see ak- in Indo-European roots + ōmos, shoulder.]


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  • In connection with this fracture, reference must be made to a condition frequently met with, in which the epiphysial portion of the acromion is found to be separate from the body of the process -- _separate acromion_.

    Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.

  • The acromion is a bony process which protudes forwards from the upper part of the scapular.

    BSNYC Friday Fun Quiz!

  • But this also should be known, that in fractures of the clavicle, it is the part attached to the breast which is uppermost, and that the piece attached to the acromion is the lowermost.

    On The Articulations

  • The acromioclavicular joint is formed by the outer end of the clavicle and the acromion process of the scapular.

    BSNYC Friday Fun Quiz!

  • The clavicles are rounded in front, having some slight movements at the sternum, but more free at the acromion.

    Instruments Of Reduction

  • When the acromion is torn away, the appearance is the same as in dislocation of the shoulder; but there is no impediment, except that the bone does not return to its position.

    Instruments Of Reduction

  • And attention should be paid to the force of habit, and to the symptom produced by the tearing away of the acromion, whereby a void is left, which makes people suppose that the humerus is dislocated.

    Instruments Of Reduction

  • If properly bandaged, the acromion becomes free of pain in a few days.

    On The Articulations

  • The acromion, in man, arises from the scapula differently from most other animals.

    Instruments Of Reduction

  • Another: - Apply your head to the acromion, and your hands to the armpit, separate the head of the humerus (from the side?), and push the elbow in the opposite direction; or, instead of your knees, another person may turn aside the elbow, as formerly directed.

    Instruments Of Reduction


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