What is the meaning of Sierra?

Alternative letter-case form of Sierra of the ICAO/NATO radiotelephony alphabet.

A rugged range of mountains.

Alternative letter-case form of Sierra from the NATO/ICAO Phonetic Alphabet.

A scombroid fish.

A relatively low-quality grade of Spanish saffron.

mountain-range

saw (tool)

sierra

sierra

saw (tool)

mountain range

sawfish

snoek (Thyrsites atun)

inflection of serrar:

1. third-person singular present indicative
2. second-person singular imperative

third-person singular present indicative

second-person singular imperative

Source: wiktionary.org