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  1. moving or tending to move the eyeball: an oculomotor muscle.

Origin of oculomotor

First recorded in 1880–85; oculo- + motor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for oculomotor

Historical Examples

  • Is there anatomical evidence that the ganglia of origin of the oculomotor and trochlear nerves represent many ganglia?

    The Origin of Vertebrates

    Walter Holbrook Gaskell

  • Dohrn alone, as far as I know, as already pointed out, insists upon the multiple character of the oculomotor nerve.

    The Origin of Vertebrates

    Walter Holbrook Gaskell

  • Other cranial nerves, particularly the oculomotor and the hypoglossal, may also be implicated.

    Manual of Surgery

    Alexis Thomson and Alexander Miles

British Dictionary definitions for oculomotor


  1. relating to or causing eye movements

Word Origin

C19: from oculo- + motor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

oculomotor in Medicine


  1. Relating to or causing movements of the eyeball.
  2. Of or relating to the oculomotor nerve.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.