n, pl  -lae  also  -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 adj 
 
 
 
Similar sounding terms:   radial  rat·tle  rit·u·al 
 
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