Lacertilia

plural noun

Lac·​er·​til·​ia

ˌlasə(r)ˈtilēə

: a division of Reptilia (usually a suborder of Squamata) comprising the true lizards, chameleons, geckos, and various related limbless forms all related closely to the snakes in structure and of origin no earlier apparently than the Jurassic and typically distinguished by a tapering tail, well-developed pentadactyl limbs, a scaly or tuberculated skin, and movable eyelids compare gila monster

Word History

Etymology

New Latin Lacerta + -ilia (as in New Latin Reptilia)

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