1) Docking accommodations 2) Docking fee 3) Fee for a freighter 4) Marina charge 5) Ship-berthing charge 6) The act of docking a ship 1) Drydock 2) Marina 
Dockage is a factor in the grading of some grains under the official U.S. Grain Standards. Wheat dockage is described as weed seeds, weed stems, chaff, straw, or grain other than wheat, which can be readily removed from the wheat by the use of appropriate sieves and cleaning devices; also, underdeveloped, shriveled and small pieces of wheat kernel...
• (n.) A charge for the use of a dock.
A charge by a port authority for the length of water frontage used by a vessel tied up at a wharf.
A factor in the grading of grains and oilseedsThe amount of foreign material or impurities found in a sample of grain usually expressed as a percent.
Dock'age noun A charge for the use of a dock. 
[n] - a fee charged for a vessel to use a dock
docking fee noun a fee charged for a vessel to use a dock
Nongrain material that can be readily removed by accepted screening devices.
a charge for the use of a dock. · docking accommodations. · the act of docking a ship.