scallop-shell moth

noun

: a yellow-and-brown moth (Calocalpe undulata) having wing markings like those on a scallop shell and a caterpillar that feeds especially on cherry leaves

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