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