acromion /əkrō″mē·ən/ [Gk, akron + omos, shoulder] , the lateral extension of the spine of the scapula, forming the highest point of the shoulder and connecting with the clavicle at a small oval surface in the middle of the spine. It gives attachment to the deltoid and trapezius muscles. Also called acromion process. Compare coracoid process. −acromial, adj.
