The Collaborative International Dictionary of English v.0.48:

Dibble \Dib"ble\, n. [See Dibble, v. i.]
   A pointed implement used to make holes in the ground in which
   no set out plants or to plant seeds.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dibble \Dib"ble\, v. i. [imp. & p. p. Dibbled; p. pr. & vb. n.
   Dibbling.] [Freq. of Prov. E. dib, for dip to thrust in.
   See Dip.]
   To dib or dip frequently, as in angling. --Walton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dibble \Dib"ble\, v. t.
   1. To plant with a dibble; to make holes in (soil) with a
      dibble, for planting.
      [1913 Webster]

   2. To make holes or indentations in, as if with a dibble.
      [1913 Webster]

            The clayey soil around it was dibbled thick at the
            time by the tiny hoofs of sheep.      --H. Miller.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dibble
    n 1: a wooden hand tool with a pointed end; used to make holes
         in the ground for planting seeds or bulbs [syn: dibble,
         dibber]
    v 1: plant with a wooden hand tool; "dibble Spring bulbs"
    2: make a hole with a wooden hand tool; "dibble the ground"