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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-ĕr′ə /
  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:

The models will be available in four colors including graphite, gold, silver, and sierra blue with storage options of 128GB, 256GB, 512GB, and new 1TB.

From Reuters ● Sep. 14, 2021

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

The trail is a high sierra alpine environment that reaches between 8,000 and 12,000 feet. 

From Los Angeles Times ● Oct. 21, 2016

The moon was rising above the tall sierra that ran in a rugged line across the sky.

From The Coast of Adventure by Harold Bindloss

It was Disney Day at Sierra Canyon High, so standout sophomore linebacker Eli Zamorano showed up at football practice wearing Mickey Mouse ears atop his head on Monday.

From Los Angeles Times ● Sep. 30, 2026

And Instinct was founded just a year ago by Shinn, a former research scientist at Sierra AI, and has 14 employees.

From MarketWatch ● Sep. 28, 2026

His pursuers managed to track Marset to Santa Cruz de la Sierra, Bolivia’s economic hub, by planting a GPS tracker in his girlfriend’s luggage as she traveled through Brazil, according to U.S. court filings.

From Los Angeles Times ● Sep. 23, 2026

According to The Real Deal, the buyer is a limited liability company tied to John Jarve, a partner at venture capital firm Menlo Ventures and founder of Sierra Point Capital.

From MarketWatch ● Sep. 22, 2026

It makes her think of Sierra Kincaid and some girls at school, who’d eat two bites of yogurt and a carrot stick and say they were full.

From "A Heart in a Body in the World" by Deb Caletti

Currently, the western sierras are densely wooded, and that isn’t necessarily the best model for the forests to get through fires, said Thomas Scott, an expert on wildfire at the University of California, Berkeley.

From The Guardian ● Nov. 18, 2018

Our water comes from Hetch Hetchy in the sierras.

From New York Times ● Dec. 29, 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

"Any storm front that comes off the sierras is preceded by extremely high winds," incident team spokesman John Stonelake told Reuters.

From Scientific American ● May 25, 2012

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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