四库 Save Sign in to save words Traditional (Taiwan): 四庫 sìkù ㄙˋ ㄎㄨˋ 男 女 the four book depositories, namely: classics 经, history 史, philosophy 子 zǐ, belles-lettres 集 Character by character 四(sì)four 库(kù)warehouse Words that sound like sìkù 石窟 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0