masturbate
Concise Oxford English Dictionary © 2008 Oxford University Press:
masturbate /ˈmastəbeɪt/
▶verb stimulate one's genitals with one's hand for sexual pleasure.
– derivatives
masturbation noun,
masturbator noun,
masturbatory adjective.
masturbation noun,
masturbator noun,
masturbatory adjective.
– origin C19: from L. masturbat-, masturbari ‘masturbate’, of unknown ultimate origin.
'masturbate' also found in these Oxford entries:

