Bonnet (noun)

1. A covering for the head and neck, especially one that ties under the chin and is worn by women and children, especially in the past.
2. A protective covering for the engine of a vehicle, typically made of metal or plastic.
3. A hood or cover that is placed over a machine or piece of equipment in order to protect it from dust, dirt, or damage.
4. A protective covering that is placed over a horse's head.
5. A covering for the head and neck that is used for protection or for fashion purposes.

Origin:

The word 'bonnet' originated from the middle french word 'bonet', which meant 'a hood or cap'. the word has been used to refer to various head coverings in different cultures and over different time periods.

Examples:

1. She wore a bonnet to protect her hair from the sun.
2. The car's bonnet was badly damaged in the accident.
3. The factory workers wear bonnets to protect their hair while they work.
4. The children dressed up in old-fashioned clothing, including bonnets.
5. The farmer placed a bonnet over the horse's head to protect it from flies.