modiolus

English Thesaurus

1. the central conical bony pillar of the cochlea (noun.body)

hypernym	:	bone, os,
definition	:	rigid connective tissue that makes up the skeleton of vertebrates (noun.body)

part meronym	:	cochlea,
definition	:	the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the organ of Corti (noun.body)