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