Definition of 汗牛充棟 (かんぎゅうじゅうとう)

かんぎゅうじゅうとう

汗牛充棟

かんぎゅうじゅうとう

kangyuujuutou

noun
(having, there being) a great number of books(yojijukugo)
Related Kanji
sweat, perspire
cow
allot, fill
ridgepole, ridge