Where does this definition of happy birthday come from?
This entry for happy birthday is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is happy birthday a noun, verb, or something else?
In this entry, happy birthday is tagged as 2n..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.