Meaning

• A unit of weight (mass) equal to 2240 pounds (a long ton) or 2000 pounds (a short ton) or 1000 kilograms (a metric ton).

• A unit of volume; register ton.

• In refrigeration and air conditioning, a unit of thermal power defined as 12,000 BTU/h (about 3.514 kW or 3024 kcal/h), originally the rate of cooling provided by uniform isothermal melting of one short ton of ice per day at 32 °F (0 °C).

• A large amount.

  "I've got tons of work to do."

• A speed of 100 mph.

• One hundred pounds sterling.

• One hundred runs.

• (etc.) One hundred points scored.

Meaning

• The common tunny, or horse mackerel.

Meaning

• Lots; large quantities or numbers (of people or things).

  "I have tons of pens, but none of them work."