plural -s
: any of several tropical American plants with an aromatic odor most of which yield native remedies or dyes: such as
: a South American herb (Heterothalamus brunioides) of the family Compositae whose flower heads yield a yellow dye
: a Mexican shrubby milkweed (Asclepias linaria) that yields a violent purge
: any of several Mexican plants of the family Compositae (especially Porophyllum scoparium and Chrysactinia mexicana)
: the dye yielded by the South American herb romerillo

Word History


American Spanish, diminutive of romero rosemary, from Latin ros maris, literally, dew of the sea, from ros dew + maris, genitive of mare sea

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Dictionary Entries Near romerillo

Cite this Entry

“Romerillo.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2024.

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