Usumacinta

[oo-soo-mah-seen-tah]
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noun

a river in Central America, flowing NW along the W Guatemala-SE Mexico border, through Mexico, to the Gulf of Campeche. About 600 miles (965 km) long.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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