radiator
//ˈreɪdiˌeɪtər//
Noun
radiatorSingular
radiatorsPlural
1
A device, typically made of metal, that emits heat to warm a room, usually connected to a central heating system.
The radiator in the living room keeps the house warm during winter.
2
A cooling device in a vehicle's engine that dissipates heat from the coolant to prevent overheating.
The mechanic said the radiator was leaking and needed to be replaced.