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