Definitions of dock
if you dock someone's wages/salary then you reduce the amount of money that they would normally be paid as a punishment
Determining when an employer can dock an employee's salary can be difficult.
to bring a ship or a boat to a dock (=an enclosed area of water used for loading, unloading, and repairing etc ships; to tie a ship or a boat to a dock
The ship completed its run from Plymouth and docked at Sydney Harbour.