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Definition of ruak
ruak
/ˈruː.ɑːk/
ru · ak
ruak Lexical Profile
CEFR
C2
Grade
11
Tier
3
Usage
Rare
• noun
1
A river in Southeast Asia that forms part of the international border between Myanmar and Thailand, ultimately flowing into the Mekong River at the geographical point known as the Golden Triangle.
• Rhymes for ruak
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Ruak. In Wordmom Dictionary. Retrieved Oct 19, 2026, from https://wordmom.com/dictionary/ruak