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Webster 1913 Edition


Lithocyst

Lith′o-cyst

(lĭth′ō̍-sĭst)
,
Noun.
[
Litho-
+
cyst
.]
(Zool.)
A sac containing small, calcareous concretions (otoliths). They are found in many Medusæ, and other invertebrates, and are supposed to be auditory organs.