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