PGa row or area of sharply pointed mountains 锯齿山脊，峰峦起伏的山脉
Examples from the Corpus
sierra• A brief review of the structure of sierra society will illustrate this point.• There are approximately three million persons residing in the sierra who speak only Quechua or Aymara.• They know a white sierra car was seen stalking the area and are warning other house owners to be on their guard.
Sierran trademark
na type of medium-sized car that was produced by Ford in the UK in the 1980s and early 1990s