セルジセルジMeanings1nounsergeusually written using kana aloneA type of durable twill fabric, often used for suits and uniforms. The word is a loan from Dutch 'serge'.from DutchSee also: セルこのスーツはセルジでできている。This suit is made of serge.セルジは丈じょう夫ぶな生き地じだ。Serge is a durable fabric.