'Io moth' definitions:

Definition of 'io moth'

(from WordNet)
noun
Large yellow American moth having a large eyelike spot on each hind wing; the larvae have stinging spines [syn: io moth, Automeris io]

Definition of 'Io moth'

From: GCIDE
  • Io moth \I"o moth`\ (?; 115). (Zool.) A large and handsome American moth (Hyperchiria Io), having a large, bright-colored spot on each hind wing, resembling the spots on the tail of a peacock. The larva is covered with prickly hairs, which sting like nettles. [1913 Webster]