Where does this definition of crown lens come from?
This entry for crown lens is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is crown lens a noun, verb, or something else?
In this entry, crown lens 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.