aneurysm Hear it!

aneurysm definition

aneu·rysm or aneurism an′eu·rism (an′yo̵̅o̅ riz′əm, -yə-)

noun

a sac formed by local enlargement of the weakened wall of an artery, a vein, or the heart, caused by disease or injury

Etymology: ModL aneurisma < Gr aneurysma < ana-, up + eurys, broad: see eury-

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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