plural noun Spon·gi·idae \spənˈjīəˌdē, spän-\

Definition of Spongiidae

  1. :  a family of horny sponges (order Keratosa) that have solid spongin fibers enclosing an axial core — see spongia

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Origin and Etymology of spongiidae

New Latin, from Spongia, type genus + -idae

Seen and Heard

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feeling or affected by lethargy

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