Trolley (noun)

1. A vehicle that runs on tracks and is powered by electricity, typically used for public transportation in urban areas.
2. A small wheeled cart or carriage that is pushed or pulled by a person.

Origin:

The word "trolley" comes from the middle english word "trolie" which was a diminutive of "trole" which means "a small wheel or roller." the word was originally used to describe a small wheeled cart or carriage that was pushed or pulled by a person. in more recent times, the word has been used to describe a vehicle that runs on tracks and is powered by electricity.

Examples:

1. The trolley was packed with commuters during rush hour.
2. He rode the trolley to work every day.
3. The trolley car was an important mode of transportation in the city.
4. She used the trolley to transport her groceries.
5. The trolley was pushed down the aisle in the store.