Brontozoum

noun

Bron·​to·​zo·​um

-ntəˈzōəm

: a genus of gigantic dinosaurs known from their 3-toed footprints (some 18 inches long) in the Triassic sandstone of the Connecticut valley

Word History

Etymology

New Latin, from bront- + -zoum (from Greek zōion animal)

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