plural noun Cae·ci·dae \ˈsēsəˌdē, -ēkə-\

Definition of Caecidae

  1. :  a family of minute marine gastropod mollusks (order Pectinibranchia) having the shells initially spiral but ultimately cylindrical and comprising the blind shells

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Origin and Etymology of caecidae

New Latin, from Caecum, type genus (from Latin, neuter of caecus blind) + -idae — more at caecum

First Known Use: circa 1849

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feeling or affected by lethargy

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