Onchidium

noun

On·​chid·​i·​um

äŋˈkidēəm,

änˈ-

: a genus (the type of the family Onchidiidae) of chiefly Indo-Pacific marine air-breathing slugs that live chiefly on rocky shores between tide levels or in mangrove swamps

Word History

Etymology

New Latin, from onc- + -idium

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