Caltha

noun

Cal·​tha

ˈkalthə

: a small genus of marsh or aquatic herbs (family Ranunculaceae) growing in arctic and temperate regions and having rounded and cordate or reniform leaves and apetalous flowers with yellow, white, or pink showy sepals see marsh marigold

Word History

Etymology

New Latin, from Latin, pot marigold

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