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siphonoplax
noun
si·phono·plax
\sīˈfänəˌplaks, ˈsīfənōˌp-\
Definition of siphonoplax
-es
: one of the calcareous plates that protect the siphon of various boring mollusks
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Origin and Etymology of siphonoplax
New Latin, from siphon- + Greek plax flat surface, tablet
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