What is the meaning of tool?

noun

• An implement used in the practice of a vocation.
• The means whereby some act is accomplished.
  • usage: "my greed was the instrument of my destruction"; "science has given us new tools to fight disease"
  • synonyms: instrument
• A person who is controlled by others and is used to perform unpleasant or dishonest tasks for someone else.
  • synonyms: creature, puppet
• Obscene terms for penis.
  • synonyms: cock, prick, dick, shaft, pecker, peter, putz

verb

• Drive.
  • usage: "The convertible tooled down the street"
• Ride in a car with no particular goal and just for the pleasure of it.
  • usage: "We tooled down the street"
  • synonyms: joyride, tool around
• Furnish with tools.
• Work with a tool. .