Dong (noun)

1. A low, deep, prolonged sound, especially that of a bell or gong.
2. A unit of currency used in Vietnam, equal to one hundredth of a dong.

Origin:

Late 16th century: imitative.

Examples:

1. She could hear the dong of the church bell echoing across the valley.
2. The sound of the dong signaled the start of the race.
3. He withdrew all the dongs he had saved up to buy the laptop.
4. She loved listening to the soothing dongs of the temple bells.
5. The dongs of the ship's bell marked the passing of the night.