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