Definitions for ear canal
auditory meatus, acoustic meatus, ear canal, auditory canal, external auditory canal(noun)
either of the passages in the outer ear from the auricle to the tympanic membrane
The tube or meatus running from the outer ear to the eardrum through which sound enters.
U.S. National Library of Medicine
The narrow passage way that conducts the sound collected by the EAR AURICLE to the TYMPANIC MEMBRANE.