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† ˈquinquangle, a. and n. Obs. rare.
[ad. late L. quinquangulus, -um (Priscian, Boeth.), f. quinque five + angulus angle. Cf. obs. F. quinquangle (Godef.).]
A. adj. ‘Having five angles or corners’ (Blount Glossogr. 1656).
B. n. A pentagon.
1668H. More Div. Dial. I. 29 To inscribe a Quinquangle into a Circle. 1677Plot Oxfordsh. 334 Rather a quinquangle than a square. 1788T. Taylor Proclus I. 178 A triangle..will in this case have all its angles acute, and a quinquangle all its angles obtuse. |