Allionia

noun

Al·​li·​o·​nia

ˌalēˈōnēə,

-nyə

: a genus of chiefly American herbs (family Nyctaginaceae) having opposite entire leaves and small panicled flowers

Word History

Etymology

New Latin, from Carlo Allioni †1804 Italian physician and botanist + New Latin -ia

First Known Use

circa 1773, in the meaning defined above

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!