masturbation
noun
mas·tur·ba·tion ˌma-stər-ˈbā-shən 
: erotic stimulation especially of one's own genital (see genital sense 2) organs commonly resulting in orgasm and achieved by manual (see manual entry 1 sense 1) or other bodily contact exclusive of sexual intercourse, by instrumental manipulation (see manipulate sense 1), occasionally by sexual fantasies, or by various combinations of these agencies
Example Sentences
Recent Examples on the Web Spears sprays baby oil onto the child’s back and massages it into his shoulders in one scene, and at another point the child plays with a train in a manner that suggests phallic masturbation. 
Ethan Shanfeld, Variety, 5 Sep. 2022 Reese was arrested in Feb. 2020 for public masturbation in a Dunedin, Florida. Hayden Bird, BostonGlobe.com, 2 Aug. 2022 Dear Anna, My daughter is 5 and has started to discover masturbation. Anna Pulley, Chicago Tribune, 24 May 2022 Instead, female bonobos forge a formidable sisterhood -- all with the use of grooming and mutual masturbation to regulate tension and promote cooperation. Katie Hunt, CNN, 12 June 2022 Is his self-on-self-love more like the science fiction equivalent of masturbation? Philip Ellis, Men's Health, 24 May 2022 But very few people (1.5%) rely on penetration alone to orgasm during masturbation. Anna Pulley, Chicago Tribune, 24 May 2022 Other masturbation techniques to try include using a vibrator. Anna Pulley, Chicago Tribune, 24 May 2022 Grace and Frankie build a business based on vaginal dryness (treated by Frankie’s yam lube) and the painful relationship between arthritis and masturbation (solved by an ergonomically correct vibrator). Los Angeles Times, 5 May 2022 See More
Ethan Shanfeld, Variety, 5 Sep. 2022 Reese was arrested in Feb. 2020 for public masturbation in a Dunedin, Florida. Hayden Bird, BostonGlobe.com, 2 Aug. 2022 Dear Anna, My daughter is 5 and has started to discover masturbation. Anna Pulley, Chicago Tribune, 24 May 2022 Instead, female bonobos forge a formidable sisterhood -- all with the use of grooming and mutual masturbation to regulate tension and promote cooperation. Katie Hunt, CNN, 12 June 2022 Is his self-on-self-love more like the science fiction equivalent of masturbation? Philip Ellis, Men's Health, 24 May 2022 But very few people (1.5%) rely on penetration alone to orgasm during masturbation. Anna Pulley, Chicago Tribune, 24 May 2022 Other masturbation techniques to try include using a vibrator. Anna Pulley, Chicago Tribune, 24 May 2022 Grace and Frankie build a business based on vaginal dryness (treated by Frankie’s yam lube) and the painful relationship between arthritis and masturbation (solved by an ergonomically correct vibrator). Los Angeles Times, 5 May 2022 See More Word History
First Known Use
1603, in the meaning defined above
Medical Definition
masturbation
noun
mas·tur·ba·tion ˌmas-tər-ˈbā-shən
: erotic stimulation especially of one's own genital organs commonly resulting in orgasm and achieved by manual or other bodily contact exclusive of sexual intercourse, by instrumental manipulation, occasionally by sexual fantasies, or by various combinations of these agencies