quingentenary,a.andn.|kwɪnˈdʒɛntɪnərɪ, -dʒɛnˈtiːnərɪ| [f. L. quingentī five hundred, after centenary, etc.] = quincentenary. 1884Guardian 758/1 The quingentenary festival is a commemoration of his death.1892Sat.Rev. 26 Nov. 609/2 The quingentenary of Winchester.