From WordNet (r) 3.0 (2006):
tool n 1: an implement used in the practice of a vocation 2: the means whereby some act is accomplished; "my greed was the instrument of my destruction"; "science has given us new tools to fight disease" [syn: instrument, tool] 3: a person who is controlled by others and is used to perform unpleasant or dishonest tasks for someone else [syn: creature, tool, puppet] 4: obscene terms for penis [syn: cock, prick, dick, shaft, pecker, peter, tool, putz] v 1: drive; "The convertible tooled down the street" 2: ride in a car with no particular goal and just for the pleasure of it; "We tooled down the street" [syn: joyride, tool, tool around] 3: furnish with tools 4: work with a tool