Definition of puss caterpillar in English:

puss caterpillar

noun

  • 1The larva of the puss moth, Cerura vinula.

  • 2US the larva of the moth Megalopyge opercularis (family Megalopygidae), of the south-eastern United States, which is covered with long silky hairs that conceal stinging hairs; (also, more fully "puss caterpillar moth") the moth itself.

Origin

Mid 19th century.