1) Auto part 2) Jaguar on a Jaguar 
==Origin== In the early years, automobiles had their radiator caps outside of the hood and on top of the grille which also served as an indicator of the temperature of the engine`s coolant fluid. The Boyce MotoMeter Company was issued a patent in 1912 for a radiator cap that incorporated a thermometer that was visible to the driver with a sensor ....
[n] - an ornament on the front of the hood of a car emblematic of the manufacturer
noun an ornament on the front of the hood of a car emblematic of the manufacturer
A chromeplated metal figurine that sits atop the radiator or at the middle-front of the bonnet.