tercentenary
n. முந்நுற்றாண்டு நிறைவுவிழா, (பெயரடை) முந்நுற்றாண் நிறைவிற்குரிய.
Ter*cen"te*na*ry, a. Etym: [L. ter thirce + E. centenary.] Defn: Including, or relating to, an interval of three hundred years. -- n. Defn: The three hundredth anniversary of any event; also, a celebration of such an anniversary.