noun

• (obsolete) The buttocks or anus.
  "And on a Cuſhion ſtuffed with Flocks, / She clapt her dainty pair of Docks."

verb

• (transitive) To clip or cut off a section of an animal's tail; to practise a caudectomy.
  "The Celebrity, by arts unknown, induced Mrs. Judge Short and two other ladies to call at Mohair on a certain afternoon when Mr. Cooke was trying a trotter on the track.[…]Their example was followed by others at a time when the master of Mohair was superintending in person the docking of some two-year-olds, and equally invisible."
• (transitive) To reduce (wages); to deduct from (someone).
  "Her wages were docked by ten dollars."
• (transitive, informal) To reduce the wages of (a person).
  "They docked me ten dollars for breaking the vase."
• (transitive) To cut off, bar, or destroy.
  "to dock an entail"

noun

• (US, nautical) A fixed structure attached to shore to which a vessel is secured when in port; usually for loading and unloading.
  "With just the turn of a shoulder she indicated the water front, where, at the end of the dock on which they stood, lay the good ship, Mount Vernon, river packet, the black smoke already pouring from her stacks."
• (UK, nautical) The body of water next to and around a pier.
• (electronics) A device designed as a base for holding a connected portable appliance for providing the necessary electrical charge for its autonomy, or as a hardware extension for additional capabilities.
• (graphical user interface) A toolbar that provides the user with a way of launching applications by their icons, and switching between running applications.

verb

• (intransitive) To land at a harbour.
  "On 28 February, for example, a US Navy ship docked in Nampo, the port for Pyongyang, with equipment for joint searches for remains of US soldiers missing from the 1950-1953 Korean War. China may look askance at the US and North Korean militaries working together like this."
• (astronautics) To move a spaceship into its dock/berth under its own power.
• (intransitive, slang, vulgar) In male homosexual sex, to engage in docking, the inserting of the tip of one participant's penis into the foreskin of the other participant.
• (transitive, graphical user interface) To drag a user interface element (such as a toolbar) to a position on screen where it snaps into place.