D defs.my
Entry 1 sense Webster, 1913

Bicentenary

/bīs-ĕn'-tĭn-ĕrˌ-ē/ · Bi·cen·te·na·ry · IPA /baɪsˈɛntɪnˌɛriː/
01 a. Of or pertaining to two hundred, esp. to two hundred years; as, a bicentenary celebration.
  1. 1.
    Of or pertaining to two hundred, esp. to two hundred years; as, a bicentenary celebration.