acoustic meatus

n.

The passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; external acoustic meatus.
A canal running through the petrous portion of the temporal bone, giving passage to the facial and vestibulocochlear nerves and to the labyrinthine artery and veins; internal acoustic meatus.

Words nearby acoustic meatus

antifriction bearing, antifriction metal, antifungal, antigalaxy, antigay, acoustic meatus, antigen excess, antigen unit, antigen-antibody reaction, antigen-presenting cell, antigenemia