宝庫 ほうこ Meanings Noun treasury; treasure house; storehouse; repository treasure trove; rich source (of) Kanji 宝 treasure. Read as ホウ. 庫 storehouse. Read as コ. Example sentences インターネットはこの上なく貴重な情報の宝庫だ。The Internet is an invaluable source of information. Common phrases 宝庫である Jinuma: Japanese Dictionary · Word lists