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