acromion
Concise Oxford English Dictionary © 2008 Oxford University Press:
acromion /əˈkrəʊmɪən/
▶noun Anatomy the outer extremity of the shoulder blade forming the bony part at the top of the shoulder.
– origin C16: Gk akrōmion, from akron ‘tip’ + ōmos ‘shoulder’.
'acromion' also found in these Oxford entries:

