tympanic bone: Meaning and Definition of

tympan'ic bone'

Pronunciation: [key]
— Anat., Zool. Anat.,Zool.
  1. (in mammals) a bone of the skull, supporting the tympanic membrane and enclosing part of the tympanum or middle ear.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.