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