Placodus

noun

Plac·​o·​dus

ˈplakədəs

: a genus (the type of the family Placodontidae of the suborder Placodontia) comprising rather large extinct reptiles from the marine Trias of central Europe that have short broad bodies and broad flat molar teeth on the palate and dentary bones apparently adapted to crushing mollusks

Word History

Etymology

New Latin, from plac- + -odus

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