noun
- A tax imposed on ships that enter the US; based on the tonnage of the ship.
- synonyms: tunnage, tonnage duty
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). tonnage. Retrieved September 20, 2026, from http://smartdefine.org/tonnage/definitions/1242797 |
| Chicago | WordNet. 2010. "tonnage" http://smartdefine.org/tonnage/definitions/1242797 (accessed September 20, 2026). |
| Harvard | WordNet 2010, tonnage, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/tonnage/definitions/1242797>. |
| MLA | WordNet. "tonnage" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/tonnage/definitions/1242797> |