alisma

noun

alis·​ma

əˈlizmə

1

capitalized : a small genus (the type of the family Alismataceae) of aquatic or semiaquatic herbs with long-petioled often floating leaves and white flowers see water plantain

2

plural -s : a plant of the genus Alisma

Word History

Etymology

New Latin, from Latin, water plantain, from Greek

First Known Use

1827, in the meaning defined at sense 1

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