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light; lamp
baiting deer with a lighted torch
「灯」 has other readings with different meanings.
家の灯が暗闇の中にぽつんと見えた。
I saw the light of my house in the darkness.
灯を頼りに暗い夜道を歩いた。
I walked the night road relying on the lights.
この灯は電池で動いているので便利だ。
This lamp runs on batteries.