subclavian vein

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A part of a major vein of the upper extremities or forelimbs that passes beneath the clavicle and is continuous with the axillary vein.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a continuation of the axillary vein; joins the internal jugular to form the brachiocephalic vein