sacroiliac Hear it!

sacroiliac definition

sacro·ili·ac (sak′rō il′ē ak′, sā′krō-)

adjective

of the sacrum and the ilium; esp., designating the joint between them

Etymology: sacro- + iliac

noun

the joint or cartilage between the sacrum and the ilium

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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