-iformes

noun plural combining form

-i·​for·​mes

əˈfȯrˌmēz,

-ȯ(ə)ˌ-

: ones having (such a) form

—in taxonomic names of animals

Anseriformes

Word History

Etymology

New Latin, from Latin, masculine & feminine plural of -iformis -iform

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