trochlea

noun
troch·​lea | \ˈträ-klē-ə \

Definition of trochlea 

: an anatomical structure that is held to resemble a pulley especially : the articular surface on the medial condyle of the humerus that articulates with the ulna

First Known Use of trochlea

circa 1693, in the meaning defined above

History and Etymology for trochlea

New Latin, from Latin, block of pulleys, from Greek trochileia, from trochilos sheave, from trochos wheel

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The first known use of trochlea was circa 1693

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More Definitions for trochlea

trochlea

noun
troch·​lea | \ˈträk-lē-ə \

Medical Definition of trochlea 

: an anatomical structure resembling a pulley: as

a : the articular surface on the medial condyle of the humerus that articulates with the ulna

b : the fibrous ring in the inner upper part of the orbit through which the tendon of the superior oblique muscle of the eye passes

More from Merriam-Webster on trochlea

Britannica.com: Encyclopedia article about trochlea

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