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