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