rosilla

noun

ro·​silla

rōˈzilə,

-ˈsilə,

-ˈsē(y)ə

plural -s

1

: a sneezeweed (Helenium puberulum) of southern California

2

: a shrub or small tree (Eysenhardtia polystachya) of the family Leguminosae of Arizona and adjacent Mexico with small white flowers in long racemes see nephritic wood

Word History

Etymology

American Spanish

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!