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  • sierra
    sierra
    noun
    a chain of hills or mountains, the peaks of which suggest the teeth of a saw.
  • Sierra
    Sierra
    noun
    communications a code word for the letter s
Synonyms

sierra

American  
[see-er-uh] / siˈɛr ə /

noun

  • sierras
    plural
  1. a chain of hills or mountains, the peaks of which suggest the teeth of a saw.

  2. any of several Spanish mackerels of the genus Scomberomorus, especially S. sierra, found in western North America.

  3. a word used in communications to represent the letter S.


Sierra 1 British  
/ sɪˈɛərə /

noun

  1. communications a code word for the letter s

"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

sierra 2 British  
/ sɪˈɛərə /

noun

  1. a range of mountains with jagged peaks, esp in Spain or America

"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

sierra Scientific  
/ sē-ĕrə /
  1. A high, rugged range of mountains having an irregular outline somewhat like the teeth of a saw.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of sierra

1590–1600; < Spanish: literally, saw < Latin serra

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.

See Examples For:

In this recipe, which is adapted from “The Food of Oaxaca,” chef and author Alejandro Ruiz recommends sierra or mahi-mahi, which are caught off the coast of Puerto Escondido in Oaxaca.

From Washington Post Aug. 26, 2021

The sierra and Gran Parque Natural Topes de Collantes, where you’ll find the Caburní waterfall, are a popular day trip from Trinidad, though most people head to Parque el Cubano, which borders Trinidad.

From The Guardian Nov. 24, 2018

Numb to greatness, a humdrum appreciation comes with his sierra of staggering statistics.

From Los Angeles Times Mar. 17, 2018

But to do so we would have to traverse another sierra, Bahoruco, on a remote road whose condition Amadeo’s contact hadn’t gotten back to him about.

From New York Times Nov. 28, 2014

On two occasions in the Castiles has our advent to some hamlet of the sierra been hailed with joy as that of a strolling company of acrobats!

From Wild Spain (Espa?a agreste) Records of Sport with Rifle, Rod, and Gun, Natural History Exploration by Walter J. Buck

Thanks to its high-profile transfers, Sierra Canyon could be the team to beat in the San Fernando Valley.

From Los Angeles Times Aug. 9, 2026

Peter Bai James, a health worker who served on the front lines in Sierra Leone during the 2014-2016 Ebola outbreak, calls it an epidemiological paradox.

From The Wall Street Journal Aug. 6, 2026

Sierra, which builds customer-service AI agents, is largely credited for pioneering the outcome-based pricing model.

From MarketWatch Aug. 1, 2026

Two devastating wildfires that swept through California's Sierra Nevada in 2020 and 2021 killed thousands of giant sequoias.

From Science Daily Jul. 26, 2026

She doesn’t want us to go to the mountains of the Sierra Maestra or the Escambray.

From "Across So Many Seas" by Ruth Behar

The story of Maoism’s travels takes in the tea plantations of north India, the sierras of the Andes, Paris’s 5th arrondissement, the fields of Tanzania, rice paddies in Cambodia and terraces in Brixton.

From The Guardian Mar. 16, 2019

Our water comes from Hetch Hetchy in the sierras.

From New York Times Dec. 29, 2017

When the sierras received more precipitation and were frequently snow covered, this animal is believed to have occurred in the soil on the surface.

From Scientific American Aug. 31, 2017

He’ll be remembered as much if not more as a tragic caudillo, a reminder that revolutionaries are usually a lot less romantic when they come down from the sierras and govern.

From Time Nov. 26, 2016

The train clicked by the Union Stock Yards, doubly pungent in the day’s strange warmth, and skirted sierras of black coal capped with grimy melting snow.

From "The Devil in the White City" by Erik Larson

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