Arctiidae

plural noun

Arc·​ti·​i·​dae

ärkˈtīəˌdē

: a large and variously delimited family of moths typically having stout bodies and broad wings often conspicuously striped or spotted, the larvae being usually hairy caterpillars see tiger moth, woolly bear

Word History

Etymology

New Latin, from Arctia, type genus (from Greek arktos bear + New Latin -ia) + -idae; from the furry appearance

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