Emily Dickinson Lexicon

DOCK, v.t. [W. tociaw, and twciaw, to clip, to cut off; whence docket and ticket. Class Dg, No. 19, 47.]

1. To cut off, as the end of a thing; to curtail; to cut short; to clip; as, to dock the tail of a horse.
2. To cut off a part; to shorten; to deduct from; as, to dock an account.
3. To cut off, destroy or defeat; to bar; as, to dock an entail.
4. To bring, draw or place a ship in a dock.