What does "tunnage" mean?

Alternative spelling of tonnage.

What is a synonym for "tunnage"?

Common synonyms include: tonnage, tonnage duty.

noun

noun ·Rare ·Advanced level

Noun

1
Alternative spelling of tonnage. alt-of, alternative, countable, uncountable
2
a tax imposed on ships that enter the US; based on the tonnage of the ship wordnet

From tun + -age. Compare tonnage.