Agrionidae

plural noun

Ag·​ri·​on·​i·​dae

ˌa-grē-ˈä-nə-ˌdē

: a family of slender-bodied usually brilliantly colored damselflies

Word History

Etymology

New Latin, from Agrion, type genus (from Greek, neuter of agrios wild) + -idae

First Known Use

1838, in the meaning defined above

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