'Notodontian' definitions:

Definition of 'Notodontian'

From: GCIDE

Notodontian \No`to*don"tian\, n. [Gr. nw^ton the back + 'odoy`s, 'odo`ntos a tooth.] (Zool.) Any one of several species of bombycid moths belonging to Notodonta, Nerice, and allied genera. The caterpillar of these moths has a hump, or spine, on its back. [1913 Webster]