au•to•er•o•tism(ôt ō er´ə tiz əm) n.

1 pleasurable sensations or tensions arising in the erogenous body zones without external stimulation
2 self-initiated activity aimed at reducing sexual excitations, as in masturbation Also au'to•e•rot'i•cism' (-ē rät'ə siz'əm)
–au'to•e•rot'ic (-ē rät'ik) adj.
–au'to•e•rot'i•cal•ly adv.