predentary

adjective

pre·​dentary

"+

: of, relating to, or being a bone in the lower jaw of some dinosaurs that is situated in front of the dentary bones

Word History

Etymology

pre- + dentary

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