tonne n 1: a unit of weight equivalent to 1000 kilograms [syn: {metric ton}, {MT}, {tonne}, {t}]
Tonne \Tonne\, n. A tun. [Obs.] --Chaucer. [1913 Webster]
Tonne \Tonne\, n. [F.] A metric ton. [Webster 1913 Suppl.]