'Notobranchiata' definitions:
Definition of 'Notobranchiata'
- Notobranchiata \No`to*bran`chi*a*ta\, n. pl. [NL. See Notum,
and Branchia.] (Zool.)
(a) A division of nudibranchiate mollusks having gills upon
the back.
(b) The Dorsibranchiata.
[1913 Webster]