light; lamp; torch
「灯」 has other readings with different meanings.
light; lamp
light (esp. as a religious offering); lamp
祭りの灯がとてもきれいで幻想的だ。
The festival lights are very beautiful.
夜になると灯が自動で点灯される。
The lights are lit at night.
強い風で灯が消えそうになった。
The wind almost blew out the lamp.