そとぶた 外蓋 LinksSentence search for 外蓋Sentence search for そとぶたSentence search for 外ぶたKanji details for 外 and 蓋Edit in JMdict Noun1. outer lidSee also 内蓋Other forms外ぶた 【そとぶた】 Discussions Log in to talk about this word.