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