Where does this definition of day letter come from?
This entry for day letter is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is day letter a noun, verb, or something else?
In this entry, day letter 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.