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