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