deduct (something, especially an amount of money or a point in a game)

the agency enforce payments by docking money from the father's salary

he was docked a penalty point

cut short (an animal's tail)

their tails were docked

(of a ship) come into a dock and tie up at a wharf

the ship docked at Southampton

attach (a mobile device or piece of electronic equipment) to a docking station or another piece of equipment

this mode lets you dock the keyboard in a position suitable for day-to-day work

the user simply docks the vacuum and it'll empty and charge on its own

the tablet docks more securely into the slot than is the case with its predecessor