Where does this definition of open letter come from?
This entry for open letter is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is open letter a noun, verb, or something else?
In this entry, open letter is tagged as noun.
Does open letter appear elsewhere on Lughet?
Yes — open letter appears under other sources or language pairs in Lughet's collection. See the list below.
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.