Río Piedras
geographical name
Río Pie·dras
ˈrē-(ˌ)ō-ˈpyā-drəs 
-t͟hräs
former city in northern Puerto Rico that has been part of San Juan since 1951
Cite this Entry
“Río Piedras.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/R%C3%ADo%20Piedras. Accessed 31 Oct. 2025.
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