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

  • noun The main duct of the lymphatic system, ascending through the thoracic cavity in front of the spinal column and discharging lymph and chyle into the blood through the left subclavian vein.

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

  • noun the major duct of the lymphatic system


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