Oahe, Lake
geographical name
Oa·he, Lake
ō-ˈä-(ˌ)hē 
reservoir about 225 miles (362 kilometers) long formed in the Missouri River by the 1959 completion of the
Oahe Dam
in northern South Dakota
Cite this Entry
“Oahe, Lake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Oahe%2C%20Lake. Accessed 26 Nov. 2025.
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