Definitions

1. adjective

Relating to or commemorating the 200th anniversary of something.

“The bicentennial celebration drew thousands of people to the town square.”

2. noun

A 200th anniversary, especially of a country’s independence or a historical event.

“The city hosted a series of events to mark its bicentennial anniversary.”

3. noun

A period of 200 years.

“The company’s bicentennial marked a significant milestone in its history.”