O"to*lith (?), O"to*lite (?), n. [Oto- + -lith, -lite.] Anat.
One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite.
© Webster 1913.