ton S3 /tʌn/ BrE AmE noun [countable]
[ Date: 1200-1300 ; Origin: tun 'container, unit of weight' (11-21 centuries) , from Old English tunne ]
1 . ( plural tons or ton ) ( written abbreviation t ) a unit for measuring weight, equal to 2,240 pounds or 1,016 kilograms in Britain, and 2,000 pounds or 907.2 kilograms in the US ⇨ ↑ tonne
2 . tons of something informal a lot of something:
I’ve got tons of work to do.
3 . weigh a ton informal to be very heavy:
Your bag weighs a ton!
4 . come down on somebody like a ton of bricks informal to get very angry with someone about something they have done
5 . hit somebody like a ton of bricks American English informal to have a strong emotional effect on someone