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