dahlia

noun

dahl·​ia ˈdal-yə How to pronounce dahlia (audio) ˈdäl- How to pronounce dahlia (audio)
 US also and British usually  ˈdāl-
: any of a genus (Dahlia) of American tuberous-rooted composite herbs having opposite pinnate leaves and rayed flower heads and including many that are cultivated as ornamentals

Examples of dahlia in a Sentence

Recent Examples on the Web
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Don’t count out annual flowers such as dahlias, zinnias and Bolivian verbena and even some non-native autumn bloomers such as toad lilies. Beth Botts, Chicago Tribune, 23 Aug. 2025 Deadheading is the secret to keeping your dahlias blooming until the first frost. Karen Brewer Grossman, Southern Living, 20 Aug. 2025 The couple grow a variety of flowers—zinnias, celosia, and more—but dahlias are Muytjens personal passion. Miranda Crowell, Better Homes & Gardens, 17 Aug. 2025 Guerrero, who says he’s inspired by people’s outfits, loves to use dahlias in his floral arrangements because of their size, shape and color. Edkary Suarez, Mercury News, 9 July 2025 See All Example Sentences for dahlia

Word History

Etymology

New Latin, genus name, from Anders Dahl †1789 Swedish botanist

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of dahlia was in 1835

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Cite this Entry

“Dahlia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dahlia. Accessed 8 Sep. 2025.

Kids Definition

dahlia

noun
dahl·​ia ˈdal-yə How to pronounce dahlia (audio) ˈdäl- How to pronounce dahlia (audio)
: any of a genus of American herbs related to the daisies and having brightly colored flower heads and a root that is a tuber

More from Merriam-Webster on dahlia

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