quatercentenary

qua·ter·cen·te·na·ry

noun
\ˌkwä-tər-sen-ˈte-nə-rē, -ˈsen-tə-ˌner-ē, -sen-ˈtē-nə-rē\

Definition of QUATERCENTENARY

: a 400th anniversary or its celebration

Origin of QUATERCENTENARY

Latin quater four times + English centenary — more at quaternion

First Known Use: 1883

Rhymes with QUATERCENTENARY

beneficiary, devolutionary, eleemosynary, evidentiary, evolutionary, extraliterary, insurrectionary, intermediary, paramilitary, penitentiary, revolutionary, sesquicentenary, supernumerary, valetudinary