龕灯
が
ん
ど
う
Meanings
1
Buddhist altar light
A light placed on a Buddhist altar. This is the original, literal meaning, but the word is now rare and mostly encountered in historical or religious contexts.
I once saw a Buddhist altar light at an old temple.
2
flashlight-like lantern with a freely rotating candle
abbreviation
Abbreviation of 龕灯提灯 (がんどうちょうちん). A portable lantern with a gimbal-mounted candle that always points the light forward, used historically. Now a historical term; modern equivalents are flashlights.
See also: 強盗提灯
In period dramas, there are scenes where a samurai walking at night holds a gimbal lantern.