The Collaborative International Dictionary of English v.0.48:

Bucket \Buck"et\, v. t. [imp. & p. p. Bucketed; p. pr. & vb.
   n. Bucketing.]
   1. To draw or lift in, or as if in, buckets; as, to bucket
      water.
      [Webster 1913 Suppl.]

   2. To pour over from a bucket; to drench.
      [Webster 1913 Suppl.]

   3. To ride (a horse) hard or mercilessly.
      [Webster 1913 Suppl.]

   4. (Rowing) To make, or cause to make (the recovery), with a
      certain hurried or unskillful forward swing of the body.
      [Eng.]
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Bucket \Buck"et\, n. [OE. boket; cf. AS. buc pitcher, or Corn.
   buket tub.]
   1. A vessel for drawing up water from a well, or for
      catching, holding, or carrying water, sap, or other
      liquids.
      [1913 Webster]

            The old oaken bucket, the iron-bound bucket,
            The moss-covered bucket, which hung in the well.
                                                  --Wordsworth.
      [1913 Webster]

   2. A vessel (as a tub or scoop) for hoisting and conveying
      coal, ore, grain, etc.
      [1913 Webster]

   3. (Mach.) One of the receptacles on the rim of a water wheel
      into which the water rushes, causing the wheel to revolve;
      also, a float of a paddle wheel.
      [1913 Webster]

   4. The valved piston of a lifting pump.
      [1913 Webster]

   5. (Mach.) one of vanes on the rotor of a turbine.
      [PJC]

   6. (Mach.) a bucketfull.
      [PJC]

   Fire bucket, a bucket for carrying water to put out fires.


   To kick the bucket, to die. [Low]
      [1913 Webster]

WordNet (r) 3.0 (2006):

bucket
    n 1: a roughly cylindrical vessel that is open at the top [syn:
         bucket, pail]
    2: the quantity contained in a bucket [syn: bucket,
       bucketful]
    v 1: put into a bucket
    2: carry in a bucket