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Webster 1913 Edition

Noun.

[Gr.

νῶτον

the back +

ὀδούς

ὀδόντοσ

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.

notodontian ‎(plural notodontians)

(zoology) Any of several species of bombycid moths belonging to Notodonta, Nerice, and allied genera, whose caterpillars have a hump, or spine, on the back.