/ Dictionary / Index D deadweight tonnage: Meaning and Definition of Find definitions for: dead'weight ton'nage Pronunciation: [key] — Naut. Naut. the capacity in long tons of cargo, passengers, fuel, stores, etc. of a vessel: the difference between the loaded and light displacement tonnage of the vessel. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dead weight deadwood Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language