the narrow passageway from the outer ear to the eardrum.
Origin of auditory canal
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Either of two passages of the ear, the internal or the external acoustic meatus. See under acoustic meatus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.