maerl

noun

ˈmer(ə)l,

mäˈer-

plural -s

: lime-producing red seaweeds principally of the genus Lithothamnion used especially in France to reduce acidity of the soil

Word History

Etymology

French maërl, maërle, from Breton merl, maërl marl, maerl, from Middle French marle marl

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