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