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