Anisoptera

plural noun

An·​isop·​tera

ˌaˌnīˈsäptərə

: a suborder of Odonata comprising the dragonflies that are larger stouter members of the order, hold the wings horizontally in repose, and have rectal gills during the naiad stage compare zygoptera

Word History

Etymology

New Latin, from anis- entry 1 + -ptera

First Known Use

1831, 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