| Answer | Crossword Clue |
|---|---|
| pharos | a lighthouse or beacon to guide seamen |
| pharoses | PHAROS, a lighthouse or beacon to guide seamen |
| lightship | A moored or anchored vessel with a beacon light to warn or guide ships at sea |
| lightships | A moored or anchored vessel with a beacon light to warn or guide ships at sea |
| lighthouse | A tower or other structure containing a beacon light to warn or guide ships at sea |
| lighthouses | A tower or other structure containing a beacon light to warn or guide ships at sea |
| seamark | conspicuous object on land, visible from the sea, serving to guide or warn mariners, as a beacon |
| seamarks | conspicuous object on land, visible from the sea, serving to guide or warn mariners, as a beacon |
