三角 sānjiǎo HSK7 triangle Origin Definitions Defs Strokes Stroke Words Sentences Sents sānjiǎo triangle · trigonometry 三 sān numeral three the number three; 3角 jiǎo noun angle geometric figure formed by two rays; anglesānjiǎo tripartite · triangular 三 sān numeral three the number three; 3角 jiǎo noun corner corner; place where two lines or edges meet; secluded spot