|
|
 |
|
|
|
|
| Si·er·ra |
noun |
|
| Definition: |
| |
code word for letter "S": a code word for the letter "S," used in international radio communications
|
|
|
|
|
|
|
|
| Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc. |
|
|
