Where does this definition of terra firma come from?
This entry for terra firma is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is terra firma a noun, verb, or something else?
In this entry, terra firma is tagged as noun.
Does terra firma appear elsewhere on Lughet?
Yes — terra firma 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.