dorsal scapular vein dor·sals·ca·pularvein uncommon noun 1. vein that is a tributary of the subclavian vein or external jugular vein and accompanies the descending scapular artery Synonymsdorsal scapular veinvena scapularis dorsalis Related words Broader terms vein WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.