Bicentennial

[baɪsen'tenɪəl] or ['baɪsɛn'tɛnɪəl]

(noun.) the 200th anniversary (or the celebration of it).

(adj.) of or relating to or completing a period of 200 years; 'bicentennial celebration' .

Checker: Louie--From WordNet

(a.) Consisting of two hundred years.

(a.) Occurring every two hundred years.

(n.) The two hundredth year or anniversary, or its celebration.

Checked by Hillel

adj. pertaining to the two hundredth.—n. the two hundredth anniversary.

Typist: Natalie