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