Definition of masturbate in English:

masturbate

verb

[NO OBJECT]
  • 1Stimulate one's genitals with one's hand for sexual pleasure.

    ‘we do not like to admit that we masturbate’
    abuse oneself, practise self-abuse
    View synonyms
    1. 1.1with object Stimulate the genitals of (someone) to give them sexual pleasure.
      ‘they masturbated each other in the long grass below the tennis courts’
      abuse oneself, practise self-abuse
      View synonyms

Origin

Mid 19th century: from Latin masturbat- ‘masturbated’, from the verb masturbari, of unknown origin.

Pronunciation

masturbate

/ˈmastəbeɪt/