Definition of "tonnage" []

• The number of tons of water that a ship displaces when afloat. (noun)
• The capacity of a merchant ship in units of 100 cubic feet. (noun)
• A duty or charge per ton on cargo, as at a port or canal. (noun)
• The total shipping of a country or port, figured in tons, with reference to carrying capacity. (noun)
• Weight measured in tons. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If the amount of tonnage is not met to meet those cost obligations, the City has to make up the difference."
• "Under all that tonnage is a slimmer cylinder with a lower and an upper chamber, both of which were outfitted with measuring instruments."
• "And freight tonnage is forecast to increase from 2.2 million to 5 million."