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