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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!