hotbed[noun]Synonyms: breeding ground, forcing bed, forcing house, hothouse
[TahlilGaran] English Synonym Dictionary ▲
hot‧bed /ˈhɒtbed $ ˈhɑːt-/
noun a hotbed of something a place where a lot of a particular type of activity, especially bad or violent activity, happens:
the university was a hotbed of radical protest [TahlilGaran] Dictionary of Contemporary English ▲