distributor cam

English Thesaurus

1. the cam inside the distributor that rotates to contact spark plug terminals in the correct order (noun.artifact)

hypernym	:	cam,
definition	:	a rotating disk shaped to convert circular into linear motion (noun.artifact)

part meronym	:	distributer, distributor, electrical distributor,
definition	:	electrical device that distributes voltage to the spark plugs of a gasoline engine in the order of the firing sequence (noun.artifact)