Saint Augustine grass
noun
Saint Au·gus·tine grass
-ˈȯ-gə-ˌstēn- 
variants
or St. Augustine grass
: a tropical perennial grass (Stenotaphrum secundatum) that has much-branched creeping stems and is used as a lawn grass and sand binder especially in the southern U.S.
Cite this Entry
“Saint Augustine grass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Saint%20Augustine%20grass. Accessed 30 Oct. 2025.
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