Definition of 八紘一宇 (はっこういちう)

expression, noun
•
universal brotherhood, all eight corners of the world under one roof(yojijukugo)(WWII political slogan often seen as implying Japanese world domination)
Related Kanji
八 eight, eight radical (no. 12)
紘 large
一 one, one radical (no.1)
宇 eaves, roof, house, heaven