\Rhi*pi`do*glos"sa\, n.pl. [NL., fr. Gr. ??? a fan
+ ???? a tongue.] (Zo["o]l.)
A division of gastropod mollusks having a large number of
long, divergent, hooklike, lingual teeth in each transverse
row. It includes the scutibranchs. See Illustration in
Appendix.