Where does this definition of on the line come from?
This entry for on the line is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is on the line a noun, verb, or something else?
In this entry, on the line is tagged as 2adv..
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.