Where does this definition of main drain come from?
This entry for main drain is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does main drain appear elsewhere on Lughet?
Yes — main drain 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.