霧む灯とうむとうMeanings1nounfog lamp; fog lightrare termRare term; the loanword フォグランプ is much more common in modern Japanese.See also: フォグランプ霧む灯とうは、濃のう霧む時じに前ぜん方ぽうを照てらすための補ほ助じょ灯とうです。A fog lamp is an auxiliary light for illuminating the road ahead in dense fog.