[suh-reen] 
| 1. | calm, peaceful, or tranquil; unruffled: a serene landscape; serene old age. |
| 2. | clear; fair: serene weather. |
| 3. | (usually initial capital letter ) most high or august (used as a royal epithet, usually prec. by his, your, etc.): His Serene Highness. |
| 4. | serenity; tranquillity. |
| 5. | Archaic. a clear or tranquil expanse of sea or sky. |