Tercentenary

[,tɜːsen'tiːn(ə)rɪ;-'ten] or [,tɝsɛn'tɛnəri]

(a.) Including, or relating to, an interval of three hundred years.

(n.) The three hundredth anniversary of any event; also, a celebration of such an anniversary.

Typed by Ellie

adj. including or relating to an interval of three hundred years.—n. the 300th anniversary of anything.—adj. Tercenten′nial.

Editor: Trudy