Wordnet 3.0
NOUN (1)
1. a unit of weight equivalent to 1000 kilograms;
[syn: metric ton, MT, tonne, t]
The Collaborative International Dictionary of English v.0.48:
Tonne \Tonne\, n. A tun. [Obs.] --Chaucer. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Tonne \Tonne\, n. [F.] A metric ton. [Webster 1913 Suppl.]

