Main Entry: rad·u·la

Pronunciation: \ˈraj-ə-lə\

Function: noun

Inflected Form(s): plural rad·u·lae \-ˌlē, -ˌlī\ also rad·u·las

: a horny band or ribbon in mollusks other than bivalves that bears minute teeth on its dorsal surface and tears up food and draws it into the mouth and that in some members of the gastropod genus Conus is used to inflict a poisonous and sometimes fatal bite

—rad·u·lar \-lər\ adjective