metagnathous

adjective

me·​tag·​na·​thous

mə̇ˈtagnəthəs

1

of a bird : having the tips of the mandibles crossed

2

of an insect : having biting mandibles in the larval stage and sucking mouth parts when adult

—contrasted with menognathous

Word History

Etymology

meta- + -gnathous

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