Definition of official birthday in English:

official birthday

Line breaks: of|fi¦cial birth|day

Entry from British & World English dictionary

noun

(In the UK) a day in June chosen for observing the sovereign’s birthday.

More definitions of official birthday

Definition of official birthday in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day crowdsource
Pronunciation: ˈkraʊdsɔːs
verb
obtain (information) by enlisting help of many people…