dockage in WordNet English dictionary

1. landing in a harbor next to a pier where ships are loaded and unloaded or repaired; may have gates to let water in or out
   "the ship arrived at the dock more than a day late"
   dock  dockage  docking facility 
   
2. the act of securing an arriving vessel with ropes
   docking  moorage  dockage  tying up 
   
3. a fee charged for a vessel to use a dock
   dockage  docking fee