docoglossa

from The Collaborative International Dictionary of English v.0.48

Docoglossa \Doc`o*glos"sa\, n. pl. [NL., fr. Gr. ? a beam + ?
   the tongue.] (Zool.)
   An order of gastropods, including the true limpets, and
   having the teeth on the odontophore or lingual ribbon.
   [1913 Webster]