quatercentenary

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noun qua·ter·cen·te·na·ry \ˌkwä-tər-sen-ˈte-nə-rē, -ˈsen-tə-ˌner-ē, -sen-ˈtē-nə-rē\

Definition of quatercentenary

  1. :  a 400th anniversary or its celebration

Origin and Etymology of quatercentenary

Latin quater four times + English centenary — more at quaternion


First Known Use: 1883

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