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lumbrical

American  
[luhm-bri-kuhl] / ˈlʌm brɪ kəl /

noun

Anatomy.

  1. any of four wormlike muscles in the palm of the hand and in the sole of the foot.

Etymology

Origin of lumbrical

1685–95; < New Latin lumbrīcālis, literally, pertaining to a worm, equivalent to Latin lumbrīc ( us ) earthworm + -ālis -al 1

Example Sentences

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Finally, the intermediate muscles act on all the fingers and include the lumbrical, the palmar interossei, and the dorsal interossei.

From Textbooks • Jun. 19, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.