四隅 sìyú four corners Definitions Defs Origin Strokes Stroke Words Sentences Sents sìyú four corners 四 sì numeral four the number four; complex form used for financial purposes is 肆 sì隅 yú corner (bound form) a corner; a nook; a curved or angled place where two things meetsìyú four directions 四 sì numeral four the number four; complex form used for financial purposes is 肆 sì隅 yú remote place (bound form) a remote or far-off place