[proh-ney-ter, proh-ney-]


Anatomy, Zoology. any of several muscles that permit pronation of the hand, forelimb, or foot.

Origin of pronator

First recorded in 1720–30; pronate + -or2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pronator

Historical Examples of pronator

British Dictionary definitions for pronator



any muscle whose contractions produce or affect pronation
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

pronator in Medicine




A muscle that effects or assists in pronation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.