Definition of Echinidae
:a family (order Centrechinoida) including a large number of widely distributed sea urchins a few of which are used as food — see echinus
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Echinidae
plural noun
Echin·i·dae
\
-ˈkinəˌdē
\
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Origin and Etymology of echinidae
New Latin, from Echinus, type genus + -idae
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