: any of a genus (Tropaeolum of the family Tropaeolaceae, the nasturtium family) of herbs of Central and South America with showy spurred flowers and pungent edible seeds and leaves
especially : either of two widely cultivated ornamentals (T. majus and T. minus)

Illustration of nasturtium

Illustration of nasturtium

Examples of nasturtium in a Sentence

Recent Examples on the Web
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Rémi Lecoutre, deputy head gardener at the Claude Monet House and Gardens museum, gave France 24 a tour, which revealed the nasturtiums to be completely wiped out; many other flowers appeared scorched or dead. News Desk, Artforum, 20 Aug. 2026 Related Articles Lecoutre showed reporters where nasturtiums typically grow at this time of year, now among the flowers entirely killed off by the heat. Devorah Lauter, ARTnews.com, 19 Aug. 2026 Top 5 Can’t Miss Grab a table at the Port of Call for tuna tartare with koji strawberry milk and nasturtium oil—a fresh take on typical New England fare. Madeline Bilis, Travel + Leisure, 18 Aug. 2026 While seedlings may be difficult to find, nasturtiums are one of the quickest growing flowers, blooming four to six weeks after sowing. Mary Marlowe Leverette, The Spruce, 1 Aug. 2026 See All Example Sentences for nasturtium

Word History

Etymology

Latin, a cress

First Known Use

1704, in the meaning defined above

Time Traveler
The first known use of nasturtium was in 1704

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Cite this Entry

“Nasturtium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nasturtium. Accessed 28 Aug. 2026.

Kids Definition

nasturtium

noun
: any of a genus of herbs with showy flowers and edible sharp-tasting seeds and leaves

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