Where does this definition of square sail come from?
This entry for square sail is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is square sail a noun, verb, or something else?
In this entry, square sail is tagged as 2n..
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.