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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. 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 2 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 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

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

From Los Angeles Times Oct. 21, 2016

He stopped driving his taxi through the dirt roads of the sierra.

From New York Times Sep. 26, 2015

We crossed the ridge of the sierra and entered an upland valley beyond, where, in a tall poplar, standing slightly apart, was a rather small nest containing a single eaglet.

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

That didn’t stop catastrophes like the 2018 fire in the Sierra foothills that destroyed the town of Paradise and killed 85.

From Los Angeles Times Aug. 30, 2026

First protected in 1864, Yosemite National Park in California's Sierra Nevada mountains is internationally acclaimed for its spectacular granite cliffs, glaciers, waterfalls, sequoia trees and wildlife.

From Barron's Aug. 28, 2026

It adds that FY 2027 unit cost guidance is better than Barrenjoey expected at Sierra Gorda and Cannington, but worse at Gemco.

From The Wall Street Journal Aug. 27, 2026

South32’s estimates for volumes at Sierra Gorda are also higher than expected.

From The Wall Street Journal Aug. 27, 2026

“That’s our first twelve!” said Miguel when he and Sierra filled the lowest shelf of the library cart with their first two armloads of books.

From "Mr. Lemoncello's Library Olympics" by Chris Grabenstein

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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