大圆圈 dàyuánquān great circle Origin Definitions Defs Strokes Stroke Words Sentences Sents 大圆 大圓 dàyuán great circle; orthodrome circle on the surface of a sphere whose plane passes through the center of the sphere; also the shortest path between two points on a sphere (orthodrome)圈 quān noun circle circle; ring; loop; something shaped like a ring