Definition of masturbate in English:
 masturbate
verb ˈmastəbeɪtˈmæstərˌbeɪt
[no object]1Stimulate one's genitals with one's hand for sexual pleasure.
 we do not like to admit that we masturbate
 Synonyms
abuse oneself, practise self-abuse
- 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
 Synonyms
abuse oneself, practise self-abuse
 
Derivatives
  
noun ˈmastəbeɪtəˈmæstərˌbeɪdər
A person who masturbates, especially habitually.
adjective ˌmastəˈbeɪtəriˈmæstərbəˌtɔri
Origin
  
Mid 19th century: from Latin masturbat- 'masturbated', from the verb masturbari, of unknown origin.
   Definition of masturbate in US English:
 masturbate
verbˈmastərˌbātˈmæstərˌbeɪt
[no object]1Stimulate one's own genitals for sexual pleasure.
 we do not like to admit that we masturbate
 Synonyms
abuse oneself, practise self-abuse
- 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
 Synonyms
abuse oneself, practise self-abuse
 
Origin
  
Mid 19th century: from Latin masturbat- ‘masturbated’, from the verb masturbari, of unknown origin.