[ak-suh-sawr-ee-uh s, -sohr-]
- Anatomy. any muscle, nerve, gland, etc., that reinforces the action of another.
Origin of accessorius
< New Latin, Medieval Latin: accessory
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- anatomy a muscle or nerve that has an augmenting action
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