hot spot BrE AmE , hot‧spot /ˈhɒtspɒt $ ˈhɑːtspɑːt/ noun [countable]
1 . a place where there is a lot of heat or ↑ radiation :
Many microwaves heat unevenly, leading to hot spots in the milk.
Hot spots of radioactivity were found near the power station.
2 . a place that is popular for entertainment or a particular activity:
They played regularly at legendary hot spots such as the UFO Club.
3 . a place where there is likely to be fighting or a particular problem:
The report identified eight pollution hot spots.
4 . a part of a computer image on the screen that you can ↑ click on to make other pictures, words etc appear
5 . a place in a public building where there is a computer system with an ↑ access point , which allows people in the building with a ↑ wireless computer or BLUETOOTH MOBILE PHONE to connect to a service such as the Internet
6 . especially American English a place where a fire can spread from