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Mekong

American  
[mey-kong, ma-kohng] / ˈmeɪˈkɒŋ, mæˈkoʊŋ /

noun

  1. a river whose source is in SW China, flowing SE along most of the boundary between Thailand and Laos to the South China Sea. 2,600 miles (4,200 km) long.


Mekong British  
/ ˌmiːˈkɒŋ /

noun

  1. a river in SE Asia, rising in SW China in Qinghai province: flows southeast forming the border between Laos and Myanmar, and part of the border between Laos and Thailand, then continues south across Cambodia and Vietnam to the South China Sea by an extensive delta, one of the greatest rice-growing areas in Asia. Length: about 4025 km (2500 miles)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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See Examples For:

Producing rare earths requires heavy chemicals and can produce toxic waste, with cases including illegal operations polluting Mekong tributaries in Myanmar, Laos and Cambodia with arsenic and cadmium.

From Barron's Apr. 22, 2026

Several major deltas are experiencing especially rapid elevation loss, including those of the Mekong, Nile, Chao Phraya, Ganges-Brahmaputra, Mississippi, and Yellow rivers.

From Science Daily Apr. 20, 2026

Instead, the 30-year-old French citizen found himself among more than 140 people, mostly tourists, on a ferry that capsized in the Mekong River.

From BBC Dec. 22, 2025

A year after that first meeting, in 2003, Johnson and Sothea founded Sovann Komar, which means “Golden Children” in Khmer, a gilded home for children on the banks of the Mekong River.

From The Wall Street Journal Oct. 8, 2025

On December 23, Ellsberg flew by helicopter to the Mekong Delta, south of Saigon.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin

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