Sierra Madre del Sur

[see-er-uh mah-drey del soo r; Spanish syer-ah mah-thre th el soor]

noun

a plateau mountain range in Guerrero and Oaxaca states, S Mexico. Highest peak 12,149 feet (3703 meters).

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