| Tercentenary 1. (a.) Pertaining to an interval of three hundred years; tricentennial. 2. (n.) The three hundredth anniversary of any event; also, a celebration of such an anniversary. Thesaurus Entries C, anniversary, annual holiday, bicentenary, bicentennial, biennial, birthday, bissextile day, cental, centare, centenarian, centenary, centennial, centennium, centigram, centimeter, centipede, centistere, centred, centref, centrev, centumvir, centumvirate, centurion, century, commemoration, cwt, decennial, diamond jubilee, golden wedding anniversary, gross, hecatomb, holy days, hundred, hundredweight, immovable feast, jubilee, leap year, long hundred, name day, natal day, octennial, one C, quadrennial, quasquicentennial, quincentenary, quincentennial, quinquennial, septennial, sesquicentenary, sesquicentennial, sextennial, silver wedding anniversary, tercentennial, tricennial, triennial, wedding anniversary |