ぼうけい 傍系 LinksSentence search for 傍系Sentence search for ぼうけいKanji details for 傍 and 系Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. collateral family; subsidiary line; affiliateNoun2. cosetMathematics, See also 剰余類 Discussions Log in to talk about this word.