† quinˈdenaryObs.rare. [ad. late L. quindēnāri-us, f.quindēnī, distrib. to quindecim fifteen.] A set of fifteen. 1681H. More Exp. Dan. 237 Both the Numbers consisting..of Quindenaries or Indictions.Ibid. 238 This happened in the last Quindenarie of the first Number.