plural noun Syl·li·dae \ˈsiləˌdē\

Definition of Syllidae

  1. :  a large family of small free-swimming polychaete worms related to the Nereidae but usually reproducing by asexual budding

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Origin and Etymology of syllidae

New Latin, from Syllis, type genus + -idae

Seen and Heard

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a rounded knoll or a ridge of ice

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