From Wiktionary, the free dictionary
From dock + -age.
dockage (countable and uncountable, plural dockages)
- (nautical) Docks collectively; dock space.
- Synonym: wharfage
- (nautical) A charge levied for docking.
- Synonym: wharfage
- Coordinate terms: shorage, demurrage, cranage, tonnage, shippage; pilotage