| Answer | Crossword Clue |
|---|---|
| HORIZON | Where ocean meets sky |
| HOR | Where earth meets sky: Abbr. |
| HOR | Where the land meets the sky: Abbr. |
| MOUTH | Where a river meets the ocean, say |
| SEALINE | Where sky and ocean meet. |
| cyanometer | instrument for measuring blueness of the sky or ocean |
| cyanometers | CYANOMETER, instrument for measuring blueness of the sky or ocean |
