dahlia

noun

dahl·​ia ˈdal-yə  ˈdäl- 

 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

Cut Flower Bouquets Cut bouquets of all your frost-sensitive flowers like cosmos, dahlias, sunflowers, amaranth, and zinnias, and fill your vases. —Andy Wilcox, Better Homes & Gardens, 23 Oct. 2025

In these zones, dahlias can survive the winter in the ground and regrow again in the spring. —Karen Brewer Grossman, Southern Living, 17 Oct. 2025

The preview videos showed a statue with a Lady Dior bag covered in daisies, and a bee hovering over a dahlia. —Joelle Diderich, Footwear News, 22 Sep. 2025

Think chrysanthemums of crimson red, deep purple and pale pink, framed by dark foliage and complemented by pops of cream and light rose from dahlias and other classic fall flowers. —Molly Guthrey, Twin Cities, 18 Sep. 2025

Word History

Etymology

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

First Known Use

1835, in the meaning defined above

Kids Definition

dahlia

noun

dahl·​ia ˈdal-yə  ˈdäl- 

: any of a genus of American herbs related to the daisies and having brightly colored flower heads and a root that is a tuber