beacon, lighthouse, beacon light, pharos
['chambered nautilus, pearly nautilus, nautilus', 'television, television system', 'ashcan, trash can, garbage can, wastebin, ash bin, ash-bin, ashbin, dustbin, trash barrel, trash bin', 'strainer', 'switch, electric switch, electrical switch', 'cliff, drop, drop-off', 'solar dish, solar collector, solar furnace']