You searched for: “quinquangular”
quinquangular (kwin-KWANG-you-luhr) (adjective) (usually not comparable)
Having fifty junctions and visible aspects: When Susan looked at the quinquangular polygon, with its divergent sides of equal size, it looked very much like a circle.
This entry is located in the following units: angle, angu- (page 2) quinqu-, quinqua-, quinque- (page 1)