- 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. 2018
Examples from the Web for usumacinta
Typical of these rivers are the Grijalva and the Usumacinta.Spanish America, Its Romance, Reality and Future, Vol. 1
Charles Reginald Enock
The most numerous and extensive are on the Usumacinta river.
Some hours more and we reach the broad level, and set up our tents on the Chotal, a tributary of the Usumacinta.
We raise our camp, en route for the Yalchilan Pass, and arrive in the evening on the right bank of the Usumacinta.
Above this fork the Usumacinta is a fine broad stream, sometimes more than half a mile from bank to bank.A Glimpse at Guatemala
Anne Cary Maudslay