plural noun
Nu·​cu·​li·​dae | \ n(y)üˈkyülətē\

Definition of Nuculidae

: a large widely distributed family of marine bivalve mollusks (order Protobranchia) having a small nutlike equivalve shell and very large labial palps and including the typical nut shells — see nuculanidae

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History and Etymology for Nuculidae

New Latin, from Nucula, type genus + -idae

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to wander slowly or to speak indistinctly

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