(historical) alternative form of ランプ: a western-style oil lamp / (historical) alternative form of ランプ: more generally, lighting, illumination, a lamp

(military) In a military or military academy, using a lighting exceeding the limit hour with special permission.

(military) In a military or military academy, to use a lighting exceeding the limit hour with special permission.

the darkest place is under the candlestick; can't see the wood for the trees; people often known little of what happens under their noses; lit. "dark under a candlestick"

tōrō nagashi (the custom of floating paper lanterns down a river especially at the end of the Bon Festival)

headlight, front vehicle light