Caecidae

plural noun

Cae·​ci·​dae

ˈsēsəˌdē,

-ēkə-

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

Word History

Etymology

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

First Known Use

circa 1849, in the meaning defined above

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