Definitions of dock:

• noun:   the solid bony part of the tail of an animal as distinguished from the hair
• noun:   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

  Example: "The ship arrived at the dock more than a day late"

• noun:   an enclosure in a court of law where the defendant sits during the trial
• noun:   a platform where trucks or trains can be loaded or unloaded
• noun:   any of certain coarse weedy plants with long taproots, sometimes used as table greens or in folk medicine
• noun:   a short or shortened tail of certain animals
• noun:   a platform built out from the shore into the water and supported by piles; provides access to ships and boats
• verb:   come into dock

  Example: "The ship docked"

• verb:   deduct from someone's wages
• verb:   deprive someone of benefits, as a penalty
• verb:   haul into a dock

  Example: "Dock the ships"

• verb:   remove or shorten the tail of an animal
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #15536)