plural cacti
ˈkak-ˌtī 
-(ˌ)tē
or cactuses also cactus
: any of a family (Cactaceae, the cactus family) of plants that have succulent stems and branches with scales or spines instead of leaves and are found especially in dry areas (such as deserts)
Examples of cactus in a Sentence
Recent Examples on the Web
Combine equal parts of cactus potting soil, fine orchid bark, and perlite for fast drainage.
—
Karen Brewer Grossman, Southern Living, 19 June 2026
The cactus is from my backyard.
—Stephanie Shih
june 17, Los Angeles Times, 17 June 2026
Jack Quaid wears a fun cactus button down and bright orange bag to Jimmy Kimmel Live!
—Brendan Le, PEOPLE, 15 June 2026
The ingredient lineup champions prickly pear cactus extract, which draws moisture into the skin and provides a rich source of vitamin K to support elasticity, while Persian silk tree extract targets signs of fatigue.
—Jailynn Taylor, Allure, 13 June 2026
See All Example Sentences for cactus
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Karen Brewer Grossman, Southern Living, 19 June 2026
The cactus is from my backyard.
—Stephanie Shih
june 17, Los Angeles Times, 17 June 2026
Jack Quaid wears a fun cactus button down and bright orange bag to Jimmy Kimmel Live!
—Brendan Le, PEOPLE, 15 June 2026
The ingredient lineup champions prickly pear cactus extract, which draws moisture into the skin and provides a rich source of vitamin K to support elasticity, while Persian silk tree extract targets signs of fatigue.
—Jailynn Taylor, Allure, 13 June 2026
See All Example Sentences for cactus
Cite this Entry
“Cactus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cactus. Accessed 21 Jun. 2026.
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