tricentenary
/ˌtrʌɪsɛnˈtiːnəri
/ /ˌtrʌɪsɛnˈtɛnəri/noun (plural tricentenaries)
Another term for tercentenary.Now, having been informed by the Diary of the forthcoming Turpin tricentenary, he is busy planning another bash....
- The world-famous purveyor of fine teas is celebrating its tricentenary this year.
- Sikhs in the Indian state of Punjab celebrate the tricentenary of the Sikh holy book the Guru Granth Sahib.