bonnet
Definitions
A woman's or child's hat tied under the chin, typically with a brim framing the face.
The hinged metal cover over the engine of a motor vehicle (known as a hood in American English).
A protective cap or cover, such as one worn while sleeping to protect the hair.
Examples
The baby looked adorable wearing a soft, knitted bonnet.
He lifted the car's bonnet to check the engine for any signs of trouble.