Where does this definition of visual aid come from?
This entry for visual aid is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is visual aid a noun, verb, or something else?
In this entry, visual aid is tagged as 2n..
Does visual aid appear elsewhere on Lughet?
Yes — visual aid appears under other sources or language pairs in Lughet's collection. See the list below.
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.