Seym
geographical name
variants
or Seim
river 460 miles (740 kilometers) long in northern Ukraine and Russia in Europe flowing west into the Desna River
Cite this Entry
“Seym.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Seym. Accessed 2 Dec. 2025.
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