from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The large vein which returns blood from the head, neck, thorax and both upper limbs to the right atrium of the heart.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins
Sorry, no etymologies found.