tentaculocyst

noun
ten·​tac·​u·​lo·​cyst

Definition of tentaculocyst

: one of the sense organs situated on the margin of the umbrella of many jellyfishes, consisting of a greatly modified and reduced tentacle containing a cavity with lithites, and often being sunk in a pit or enclosed in a pouch

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History and Etymology for tentaculocyst

New Latin tentaculum + -o- + English cyst

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Cite this Entry

“Tentaculocyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tentaculocyst. Accessed 25 Jul. 2021.

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