acromion

[ uh-kroh-mee-uhn ]

/ əˈkroʊ mi ən /

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noun, plural a·cro·mi·a

[uh-kroh-mee-uh]. /əˈkroʊ mi ə/. Anatomy.

the outward end of the spine of the scapula or shoulder blade.

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Origin of acromion

1605–15; <New Latin <Greek akrṓmion, equivalent to akro-acro- + ṓm(os) shoulder + -ion noun suffix

OTHER WORDS FROM acromion

a·cro·mi·al, adjectivesub·a·cro·mi·al, adjectivesu·per·a·cro·mi·al, adjective

Words nearby acromion

acrolein, acrolith, acrology, acromegaly, acromicria, acromion, acron, acronychal, acronym, acroparaesthesia, acroparesthesia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use acromion in a sentence

There are no clavicles, and the scapula has no acromion; the coracoid process is, however, well developed.
The Vertebrate Skeleton|Sidney H. Reynolds
Clavicles are generally present, and the acromion of the scapula is commonly very long.
The Vertebrate Skeleton|Sidney H. Reynolds
In Ungulata the scapula is always high and rather narrow, and neither acromion nor coracoid process is ever much developed.
The Vertebrate Skeleton|Sidney H. Reynolds
The clavicle is long and slender, and is connected with the sternum and acromion by vestiges of the precoracoid.
The Vertebrate Skeleton|Sidney H. Reynolds

In the Chiroptera the scapula is large and oval, and has a moderately high spine and a large acromion.
The Vertebrate Skeleton|Sidney H. Reynolds

British Dictionary definitions for acromion

acromion

/ (əˈkrəʊmɪən) /

noun plural -mia (-mɪə)

the outermost edge of the spine of the shoulder blade

Word Origin for acromion

C17: New Latin, from Greek akrōmion the point of the shoulder, from acro- + ōmion, diminutive of ōmos shoulder

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012