Where does this definition of button up one's lip come from?
This entry for button up one's lip is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is button up one's lip a noun, verb, or something else?
In this entry, button up one's lip is tagged as 2v..
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.