Where does this definition of vapor trail come from?
This entry for vapor trail is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is vapor trail a noun, verb, or something else?
In this entry, vapor trail 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.