of, relating to, or marking the completion of a period of four hundred years.
a quadricentennial anniversary.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use quadricentennial in a sentence
quadricentennial, kwod-ri-sen-ten′i-al, adj. pertaining to a period of 400 years.
October, 1892, will long be remembered as the quadricentennial anniversary of America.Golden Days for Boys and Girls | Various
British Dictionary definitions for quadricentennial
a 400th anniversary
of, relating to, or celebrating a 400th anniversary
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012