What is the meaning of Radiator?

Anything which radiates or emits rays.

A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.

A finned metal fixture that carries hot water or steam in order to heat a room.

A type of antenna.

radiator

radiator (device to emit heat)

radiator

second/third-person singular future passive imperative of radiƍ

a radiator

a radiator

a radiator

a radiator

radiator

a radiator (heater)

a radiator (on a car)

Source: wiktionary.org