meatus

English Thesaurus

1. a natural body passageway (noun.body)

hypernym	:	passage, passageway,
definition	:	a path or channel or duct through or along which something may pass (noun.body)

hyponym	:	acoustic meatus, auditory canal, auditory meatus, ear canal, external auditory canal,
definition	:	either of the passages in the outer ear from the auricle to the tympanic membrane (noun.body)

hyponym	:	nasal meatus,
definition	:	the passages in the nasal cavity formed by the projections of the nasal conchae (noun.body)