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