puss caterpillar

noun

: a caterpillar that is the larva of a flannel moth (Megalopyge opercularis) chiefly of the southeastern U.S. and that has urticating hairs

Word History

Etymology

puss entry 1

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now