Where does this definition of play upon come from?
This entry for play upon is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is play upon a noun, verb, or something else?
In this entry, play upon is tagged as 2v..
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.