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