Bedeutung von “birthday” — Learner’s Dictionary

birthday

noun [ C ] us uk /ˈbɜːθdeɪ/
Extra Examples
He's asked for a bike for his birthday.I'm so sorry I missed your birthday.Are you taking her out for her birthday?David gave me these earrings for my birthday.It's Johann's birthday today.

A1 the day on which someone was born, or the same date each year:

She is celebrating her seventieth birthday.
Happy Birthday!
a birthday cake/party

(Definition von “birthday” aus dem Cambridge Learner's Dictionary © Cambridge University Press)