acoustic meatus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

either of the passages in the outer ear from the auricle to the tympanic membrane
• Syn:
auditory meatus, ear canal, auditory canal, external auditory canal
• Hypernyms:
meatus
• Part Holonyms:
external ear, outer ear
• Part Meronyms:
auriculare, auricular point