sierra: Meaning and Definition of
si•er•ra
Pronunciation: (sē-er'u), [key]
— n.
- a chain of hills or mountains, the peaks of which suggest the teeth of a saw.
- any of several Spanish mackerels of the genus Scomberomorus, esp. S. sierra, found in western North America.
- a word used in communications to represent the letter S.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.