[see-er-uh mah-drey; for 2 also Spanish syer-rah mah-th re]
a mountain range extending from S Wyoming into N Colorado.
two parallel mountain chains in Mexico, bordering the central plateau on the E and W, and extending SE into N Guatemala.
a town in S California.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(functioning as singular) the main mountain system of Mexico, extending for 2500 km (1500 miles) southeast from the N border: consists of the Sierra Madre Oriental in the east, the Sierra Madre Occidental in the west, and the Sierra Madre del Sur in the south. Highest peak: Citlaltépetl, 5636 m (18 492 ft) (disputed)
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