Otolith
Pronunciation : O"to*lith, O"to*lite
Part of Speech : n.
Etymology : [Oto- + -lith, -lite.] (Anat.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913