椭圆规 tuǒyuánguī ellipsograph Definitions Defs Origin Strokes Stroke Words Sentences Sents 椭圆 橢圓 tuǒyuán noun ellipse (math.) the locus of a point such that the sum of its distances from two fixed points is constant规 規 guī compasses (bound form) drawing tool used for circles or measuring distance; compass; dividers
