subclavian vein definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A part of a major vein of the upper extremities or forelimbs that passes beneath the clavicle and is continuous with the axillary vein.
subclavian vein - Medical Definition
A continuation of the axillary vein at the lateral border of the first rib, passing medially to join the internal jugular vein and forming the brachiocephalic vein on each side.