noun Ech·i·nod·er·es \-ˌrēz\

Definition of Echinoderes

  1. :  a genus (the type of the family Echinoderidae) of minute segmented spinous marine worms that is the first-known and best-known representative of the class Kinorhyncha

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Origin and Etymology of echinoderes

New Latin, from echin- + -deres (from Greek derē, deirē neck) — more at der-

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a brief usually trivial fact

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