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