'Semicentennial' definitions:
Definition of 'semicentennial'
From: WordNet
adjective
Of or relating to or marking the 50th anniversary [syn: semicentennial, semicentenary]
noun
The 50th anniversary (or the celebration of it) [syn: semicentennial, semicentenary]
Definition of 'Semicentennial'
From: GCIDE
- Semicentennial \Sem`i*cen*ten"ni*al\, a. Of or pertaining to half of a century, or a period of fifty years; as, a semicentennial commemoration. [1913 Webster]
Definition of 'Semicentennial'
From: GCIDE
- Semicentennial \Sem`i*cen*ten"ni*al\, n. A fiftieth anniversary. [1913 Webster]