Mygalomorphae

plural noun

Myg·​a·​lo·​mor·​phae

: a suborder of spiders comprising those in which the fangs move vertically and four book lungs are present see tarantula

Word History

Etymology

New Latin, from mygale + -morphae

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