oculomotor nerve


: either of the pair of chiefly motor nerves that comprise the third pair of cranial nerves, arise from the midbrain, and supply four muscles of the eye

Examples of oculomotor nerve in a Sentence

Recent Examples on the Web The nerve that controlled the eyelid, called the oculomotor nerve, was the third in this column. New York Times, 4 Mar. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'oculomotor nerve.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of oculomotor nerve was in 1861

Dictionary Entries Near oculomotor nerve

Cite this Entry

“Oculomotor nerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oculomotor%20nerve. Accessed 10 Dec. 2023.

Medical Definition

oculomotor nerve

: either nerve of the third pair of cranial nerves that are motor nerves with some associated autonomic fibers, arise from the midbrain, supply muscles of the eye except the superior oblique and the lateral rectus with motor fibers, and supply the ciliary body and iris with autonomic fibers by way of the ciliary ganglion

called also third cranial nerve

More from Merriam-Webster on oculomotor nerve

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!