Where does this definition of cardinal plane come from?
This entry for cardinal plane is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does cardinal plane appear elsewhere on Lughet?
Yes — cardinal plane 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.