かんぎゅうじゅうとう 汗牛充棟 LinksSentence search for 汗牛充棟Sentence search for かんぎゅうじゅうとうKanji details for 汗, 牛, 充 and 棟Edit in JMdict Noun1. (having, there being) a great number of booksYojijukugo (four character compound) Discussions Log in to talk about this word.