crus

noun
\ ˈkrüs How to pronounce crus (audio) , ˈkrəs How to pronounce crus (audio) \
plural crura\ ˈkru̇r-​ə How to pronounce crus (audio) \

Definition of crus

: any of various anatomical parts that resemble a leg or a pair of legs

First Known Use of crus

circa 1751, in the meaning defined above

History and Etymology for crus

Latin crur-, crus

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Dictionary Entries Near crus

cruro-

crus

crusade

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Cite this Entry

“Crus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crus. Accessed 23 Sep. 2021.

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More Definitions for crus

crus

noun
\ ˈkrüs How to pronounce crus (audio) , ˈkrəs How to pronounce crus (audio) \
plural crura\ ˈkru̇(ə)r-​ə How to pronounce crus (audio) \

Medical Definition of crus

1 : the lower or hind limb especially between the knee and the ankle or tarsus : shank
2 : any of various anatomical parts likened to a leg or to a pair of legs: as
a : either of the diverging proximal ends of the corpora cavernosa
b : the tendinous attachments of the diaphragm to the bodies of the lumbar vertebrae forming the sides of the aortic opening often used in plural
c crura plural : the peduncles of the cerebrum

called also crura cerebri

d crura plural : the peduncles of the cerebellum
e crura plural : the posterior pillars of the fornix

called also crura fornicis

f(1) : a long bony process of the incus that articulates with the stapes also : a shorter one projecting from the body of the incus perpendicular to this
(2) : either of the two bony processes forming the sides of the arch of the stapes

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