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sierra

American  
[see-er-uh] / siˈɛr ə /

noun

  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

  • sierran adjective

Etymology

Origin of sierra

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.