Definitions of dibble on the Web:

• plant with a wooden hand tool; "dibble Spring bulbs"
• a wooden hand tool with a pointed end; used to make holes in the ground for planting seeds or bulbs
  wordnetweb.princeton.edu/perl/webwn

• Dibble is a town in McClain County, Oklahoma, United States. The population was 289 at the 2000 census. The town was named after two brothers James and John Dibble.The community has 15,450 residents in it's zipcode, according to Sperling's Best Places. ...
  en.wikipedia.org/wiki/Dibble_(OK)

• The name Dibble may refer to: *Andy Dibble (born 1965), Welsh professional footballer *Ansen Dibell (1942-2006), American science fiction author ...
  en.wikipedia.org/wiki/Dibble_(name)

• A pointed implement used to make holes in the ground in which to set out plants or to plant seeds. Also known as a dibber; the police or one or more police officers (from the character of Officer Dibble in the Hanna-Barbera cartoon series Top Cat); To make holes, or plant seeds, using a dibble
  en.wiktionary.org/wiki/dibble

• or The Dibble: Arises from the police officer in the Hanna-Barbera animated programme Top Cat. Most commonly used in Manchester.
  www.translationdirectory.com/glossaries/glossary086.htm

• Also called a planting bar. A tool for hand planting bare-rooted seedlings. About 4 1/2 feet in length with a 10-inch blade.
  texaspinestraw.tamu.edu/glossary.html

• dibbling - [trempage (nm)]
  nfdp.ccfm.org/terms/terms_e.php

• dibbles - A tool used to plant bulbs and other small plant by poking holes in the soil.
  www.tradewindsfruit.com/glossary.htm

• dibbling - Planting seeds in holes made by a pointed implement such as bamboo or wooden stick. It is usually practiced along sloping or hilly areas.
  www.knowledgebank.irri.org/glossary/Glossary/D.htm