An example of masturbate is for a person to touch his sexual parts for pleasure.
Origin of masturbate; from Classical Latin masturbatus, past participle of masturbari, altered (by associated, association with turbare, to disturb) ; from an unverified form manstupro ; from manus, hand (see manual) + stuprum, defilement ; from Indo-European base an unverified form steup-, to strike, a stick, stump from source steep
verbmas·tur·bat·ed, mas·tur·bat·ing, mas·tur·bates
Origin of masturbateLatin masturbārī, masturbāt-.
(third-person singular simple present masturbates, present participle masturbating, simple past and past participle masturbated)