We found 10 dictionaries that define the word sierras:

General (9 matching dictionaries)

1. sierras: Merriam-Webster
2. sierras: Collins English Dictionary
3. sierras: Vocabulary.com
4. Sierra's, Sierras, sierra's, sierras: Wordnik
5. sierras: Cambridge Advanced Learner's Dictionary
6. sierras: Wiktionary
7. sierras: Dictionary.com
8. Sierras: TheFreeDictionary.com
9. Sierras: Rhymezone

Computing (1 matching dictionary)

10. Sierras: Encyclopedia

(Note: See sierra as well.)

Definitions from WordNet (Sierras) ▸ name:  A surname (very rare: popularity rank in the U.S.: #49396) Opposite: plains, lowlands, flatlands Adjectives: high, southern, northern, great, central, eastern, lofty, western, snowy, distant, rugged ▸ Words similar to sierras ▸ Usage examples for sierras ▸ Idioms related to sierras ▸ Wikipedia articles (New!) ▸ Words that often appear near sierras ▸ Rhymes of sierras ▸ Invented words related to sierras