Where does this definition of warning signal come from?
This entry for warning signal is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is warning signal a noun, verb, or something else?
In this entry, warning signal is tagged as 2n..
Does warning signal appear elsewhere on Lughet?
Yes — warning signal 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.