sierra Meaning, Definition & Usage

  1. noun a range of mountains (usually with jagged peaks and irregular outline)
  2. noun a Spanish mackerel of western North America
    Scomberomorus sierra.

WordNet

Si*er"ra noun
Etymology
Sp., properly, a saw, fr. L. serra a saw. See Serrate.
Definitions
  1. A ridge of mountain and craggy rocks, with a serrated or irregular outline; as, the Sierra Nevada.
    The wild sierra overhead. Whitter.

Webster 1913