Ton (noun)

A unit of weight equal to 2,000 pounds (907.18 kg) used for measuring heavy goods and materials.

Origin:

From the old english word "tunne" meaning a cask or a large container, it refers to a unit of weight equal to 2,000 pounds (907.18 kg) used for measuring heavy goods and materials.

Examples:

1. The truck was carrying a ton of steel.
2. The ship loaded a ton of coal.
3. The company produces a ton of paper every day.
4. The price of oil is quoted in dollars per ton.
5. The weight of the elephant was measured in ton.