bony labyrinth

English Thesaurus

1. cavity in the petrous part of the temporal bone that contains the membranous labyrinth (noun.body)

hypernym	:	anatomical structure, bodily structure, body structure, complex body part, structure,
definition	:	a particular complex anatomical part of a living thing (noun.body)

part meronym	:	inner ear, internal ear, labyrinth,
definition	:	a complex system of interconnecting cavities; concerned with hearing and equilibrium (noun.body)