| 1. | the rise or ascent of the sun above the horizon in the morning. |
| 2. | the atmospheric and scenic phenomena accompanying this. |
| 3. | the time when half the sun has risen above the horizon. |
| 4. | the open or beginning stage of any period. |
| 5. | (of an industry, technology, etc.) new and growing; developing; emerging: high-technology sunrise industries. |