ornis

1 of 2

noun

or·​nis

ˈȯrnə̇s,

ˈȯ(ə)n-

plural ornithes

ȯ(r)ˈnī(ˌ)thēz

: the birdlife of a region : avifauna

-ornis

2 of 2

noun combining form

"

plural -ornithes

ˌȯ(r)ˈnī(ˌ)thēz

: bird

Heliornis

Archaeornithes

Word History

Etymology

Noun

German, from Greek, bird

Noun combining form

New Latin, from Greek ornis

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