ad·duc·tor (?-d?k?t?r)n. A muscle that draws a body part, such as a finger, arm, or toe, inward toward the median axis of the body or of an extremity.[New Latin, from Latin add?cere, adduct-, to bring to, contract; see adduce.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.adductor (??d?kt?) n (Physiology) a muscle that adductsCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014ad?duc?tor (??d?k t?r) n. any muscle that adducts (opposed to abductor). [1740?50;