仲ちゅう兄けいちゅうけいMeanings1nounthe younger of two elder brothersRare, specific kinship term used in historical or literary contexts to refer to the second eldest brother when there are at least two older brothers.古こ文ぶん書しょには「仲ちゅう兄けい」という表ひょう現げんが見みられる。