tonnage

noun6

1. •
   The number of tons of bombs dropped in a particular region over a particular period of time.
2. •
   The number of tons of water that a floating ship displaces.

   • With her luxurious furnishings and spacious accommodation the Invicta, which is 350-ft. long and has a gross tonnage of 4,178, resembles a small liner. — 1947
3. •
   The capacity of a ship's hold etc in units of 100 cubic feet.
4. •
   A weight in tons, especially of cargo or freight.
5. •
   The total shipping of a fleet or nation.
6. •
   A charge made on each ton of cargo when landed etc.