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otocyst |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Otocyst \O"to*cyst\, n. [Oto- + cyst.] (Zo["o]l. & Anat.) An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths also the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.