等腰三角形 děngyāosānjiǎoxíng isosceles triangle Origin Definitions Defs Strokes Stroke Words Sentences Sents 等 děng adjective equal (bound form) equal to; same as腰 yāo middle (bound form) middle part of an object, such as a mountain or a bottle三角形 sānjiǎoxíng noun triangle three-sided shape in geometry; also describes things with a similar shape, such as a delta