lumbricales

Variant of lumbricalis

noun pl. lumbricales

any of four small muscles in the palm of the hand and in the sole of the foot
also lumbrical

Origin: ModL < L lumbricus, intestinal worm, earthworm: from the shape of the muscles

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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