Ballastage is a coordinate term of boatage.
As nouns the difference between ballastage and boatage
is that ballastage is a toll paid for the privilege of taking up ballast in a port or harbour while boatage is the total capacity of boats, as of lifeboats on a ship.
ballastage
English
Noun
A toll paid for the privilege of taking up ballast in a port or harbour.
Coordinate terms
* (
fee for anchoring) anchorage, cranage, demurrage, shippage, shorage, tonnage, wharfage
(
Webster 1913)
boatage
English
Noun
The total capacity of boats, as of lifeboats on a ship.
Conveyance by boat.
A charge for transporting goods by boat.
Coordinate terms
* (
fee for boat transport) anchorage, ballastage, beaconage, cartage, cranage, demurrage, moorage, pilotage, porterage, shippage, shorage, sledage, tonnage, towage, wharfage
(
Webster 1913)