(of a person or their behaviour) unconventional and slightly strange
he noted her eccentric appearance
not placed centrally or not having its axis or other part placed centrally
a servo driving an eccentric cam
a person of unconventional and slightly strange views or behaviour
he's seen as a local eccentric
a disc or wheel mounted eccentrically on a revolving shaft in order to transform rotation into backward-and-forward motion, e.g. a cam in an internal combustion engine