To masturbate is defined as to touch ones self in a sexual manner.(verb)
An example of masturbate is for a person to touch his sexual parts for pleasure.
See masturbate in Webster's New World College Dictionary
Origin: < L masturbatus, pp. of masturbari, altered (by assoc. with turbare, to disturb) < *manstupro < manus, hand (see manual) + stuprum, defilement < IE base *steup-, to strike, a stick, stump > steep
See masturbate in American Heritage Dictionary 4
verb mas·tur·bat·ed, mas·tur·bat·ing, mas·tur·bates verb, intransitive
Origin: Latin masturbārī, masturbāt-.
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