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siphonoplax

noun
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si·​phono·​plax | \ sīˈfänəˌplaks, ˈsīfənōˌp- \
plural -es

Definition of siphonoplax

: one of the calcareous plates that protect the siphon of various boring mollusks

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History and Etymology for siphonoplax

New Latin, from siphon- + Greek plax flat surface, tablet

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“Siphonoplax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/siphonoplax. Accessed 9 May. 2021.

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