Definition of sierra in English:


Line breaks: si¦erra
Pronunciation: /sɪˈɛrə
, sɪˈɛːrə/


  • 1(Especially in Spanish-speaking countries or the western US) a long jagged mountain chain.
    More example sentences
    • In the far north-west, the splinter-like peninsula of Lower California, with its high sierras, is a southward extension of the Sierra Nevada.
    • It was treated to a carefully controlled, often intimate account that explored the foothills as thoroughly as the high sierras.
    • This meant that Sonoran rivers, which originate in the eastern sierras, had to be diverted.
  • 2A code word representing the letter S, used in radio communication.
    More example sentences
    • In the phonetic alphabet, my initials are Sierra Echo (first and middle name), what is yours?


mid 16th century: Spanish, from Latin serra 'saw'.

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Word of the day kerf
Pronunciation: kəːf
a slit made by cutting with a saw