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evertor

American  
[ih-vur-ter] / ɪˈvɜr tər /

noun

Anatomy.
  1. a muscle that turns a part toward the outside.


evertor British  
/ ɪˈvɜːtə /

noun

  1. any muscle that turns a part outwards

"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

Etymology

Origin of evertor

First recorded in 1900–05; evert + -or 2