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Sierra Madre

American  
[see-er-uh mah-drey, syer-rah mah-thre] / siˈɛr ə ˈmɑ dreɪ, ˈsyɛr rɑ ˈmɑ ðrɛ /

noun

  1. a mountain range extending from S Wyoming into N Colorado.

  2. two parallel mountain chains in Mexico, bordering the central plateau on the E and W, and extending SE into N Guatemala.

  3. a town in S California.


Sierra Madre British  
/ ˈsjɛrra ˈmaðre /

noun

  1. (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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The reef is home to a small Philippine military outpost aboard the BRP Sierra Madre, a rusting World War Two-era ship deliberately grounded there in 1999 to assert Manila's claim to the territory.

From BBC • Apr. 13, 2026

Mr. Enrigue follows both groups on their hazardous journeys into the Sierra Madre, and the writing, translated by Natasha Wimmer, yields all the pleasures of a first-rate adventure with none of the sentimentality.

From The Wall Street Journal • Mar. 5, 2026

Though they were penned in and ruthlessly pursued, their mastery of the Sierra Madre made them nearly untouchable.

From The Wall Street Journal • Mar. 5, 2026

The 5.5-mile parade route begins on Orange Grove Boulevard, then turns east onto Colorado for the bulk of the trek before ending at Sierra Madre Boulevard.

From Los Angeles Times • Dec. 31, 2025

The Sierra Madre mountains are so stark and impossibly tall that they fill me with an inexplicable panic.

From "I Am Not Your Perfect Mexican Daughter" by Erika L. Sánchez