Where does this definition of optional feature come from?
This entry for optional feature is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does optional feature appear elsewhere on Lughet?
Yes — optional feature 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.
