semiquincentennial
sem·i·quin·cent·en·ni·al
Of or relating to a 250th anniversaryOf or relating to a 250th anniversary.
/ˌsɛ.miˌkwɪn.sɛnˈtɛn.i.əl/
Meaning
1 senses(not comparable)Of or relating to a 250th anniversary.
Translations
5 languagesDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.