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