tonnage

noun

ton·​nage ˈtə-nij 

1

a

: the cubical content of a merchant ship in units of 100 cubic feet

b

: the displacement of a warship

2

a

: total weight in tons shipped, carried, or produced

b

: impressively large amount or weight

3

: a duty formerly levied on every tun of wine imported into England

4

a

: a duty or impost on vessels based on cargo capacity

b

: a duty on goods per ton transported

5

: ships in terms of the total number of tons registered or carried or of their carrying capacity

Examples of tonnage in a Sentence

Recent Examples on the Web

During the years 2021 to 2025, China’s submarine building surpassed that of the US in both numbers of subs launched – 10 to 7 – and tonnage – 79,000 to 55,500, says the report, which looked at shipyard satellite imagery to draw estimates of China’s construction. —Brad Lendon, CNN Money, 17 Feb. 2026

In the presentation, Hapag-Lloyd said the overall combined tonnage share on the trans-Atlantic trade lane would be 27 percent across both carriers, only behind leader Mediterranean Shipping Company’s (MSC) 29 percent. —Glenn Taylor, Sourcing Journal, 17 Feb. 2026

If sheer tonnage of voter case studies and white papers could rescue a party, Democrats would be set for years. —Mark Leibovich, The Atlantic, 11 Feb. 2026

The chart is measuring volume by tonnage. —Ken Roberts, Forbes.com, 17 Jan. 2026

Word History

Etymology

in sense 3, from Middle English, from Anglo-French, from tonne tun; in other senses, from ton entry 1 — more at tunnel

First Known Use

15th century, in the meaning defined at sense 3

Rhymes for tonnage

• dunnage

Kids Definition

tonnage

noun

ton·​nage ˈtən-ij 

1

: a tax on ships based on tons carried

2

: ships in terms of the total number of tons that are or can be carried

3

: total weight in tons shipped, carried, or mined