Definitions for "Bicentennial"
The two hundredth year or anniversary, or its celebration.
the 200th anniversary (or the celebration of it)
of or relating to or completing a period of 200 years; "bicentennial celebration"
Keywords:  cen, hundred, clark, lewis, expedition
Consisting of two hundred years.
Occurring every two hundred years.
(BY cen TEN i al) A word that refers to a span of two-hundred years. Many groups in America are preparing to commemorate the bicentennial of the Lewis and Clark Expedition. The Corps of Discovery left St. Louis on May 14, 1804 and returned on September 23, 1806.