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