a river in Russia, rising in S Siberia and flowing generally north through the Sakha Republic to the Laptev Sea by an extensive delta: the longest river in Russia. Length: 4271 km (2653 miles)
WordReference Random House Unabridged Dictionary of American English © 2026
Le•na
(lē′nə; Russ. lye′nə),USA pronunciation n.
- Place Namesa river in the Russian Federation in Asia, flowing NE from Lake Baikal through the Yakutsk Republic into the Laptev Sea. 2800 mi. (4500 km) long.
- a female given name, form of Helena.
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'Lena' also found in these entries (note: many are not synonyms or translations):