This may involve female-to-female genital contact or a female rubbing her vulva against her partner's thigh, stomach, buttocks, arm, or other body part excluding the mouth. The term tribadism is usually used in the context of lesbian sexand originally encompassed societal beliefs about women's capability of being penetrative sexual partners. It may also involve vaginal penetration by use of the fingersa dildo or double penetration dildo  or refer to a masturbation technique in which Having sex with two girls woman rubs her vulva against an inanimate object such as a bolster to achieve orgasm.
The term tribade did not begin to refer exclusively to eroticism between women until Late Antiquity. In English texts, tribade is recorded as early asin Ben Jonson 's Praeludium Poem X in The Forest to as late as the mid-nineteenth century; Having sex with two girls was the most common lesbian term in European texts,  through the proliferation of classical literature, anatomies, midwiferies, sexual advice manuals, and pornography.
Author Bonnie Zimmerman stated, "More often, however, [European] writers avoided the term, instead euphemistically invoking 'unnatural vice,' 'lewd behavior,' 'crimes against nature,' 'using an instrument,' and 'taking the part of a man. By the time the Having sex with two girls era arrived, cited Zimmerman, "tribadism tended to be constructed as a lower class and non-Western phenomenon and often was associated with the supposed degeneration of prostitutes and criminals".
Tribadism is a common sexual practice among women who have sex with women WSW. In addition to the scissoring position, which involves the partners interlocking their legs in a position similar to the shape of scissors and pressing their vulvas together, tribadism may involve a missionary positiona woman on top position, a doggy style position or others,   or simple movement of the woman's vulva against her partner's thigh, stomach, buttocks, arm, or another body part.
Some lesbian and bisexual women do not engage in the scissoring position, because they find it physically uncomfortable, feel that it is not representative of lesbian sexual practices Having sex with two girls is more attributable to the male fantasies of the heterosexual porn industryor because they otherwise have not included it as part of their sex lives.
Scissoring is commonly used as an umbrella term for all forms of tribadism,  and many lesbian and bisexual women are unaware that some of the sexual acts they include in their lovemaking are aspects of and are formally labeled tribadismas tribadism is commonly omitted from mainstream sex research.
Tribadism has been referenced in various aspects of popular culture. The glam pop band Scissor Sisters derived their name from the scissoring position. Genital-genital tribadism was depicted three times during the " D-Yikes! The episode is credited with having brought more recognition to the act of scissoring,   with The Raw Story stating, "Though the band 'Scissor Sisters' takes its name from descriptions of the act, it wasn't until scissoring was dramatized in the 'South Park' episode 'D-Yikes' that it achieved wide recognition in mainstream culture.
Pierce reference scissoring while making out. The scene received some criticism for possibly being inappropriate for children. Inin response to Having sex with two girls State University, Long Beach refusing to advertise the play "The Night of the Tribades" on the Seventh Street marquee because of the word tribades in its title, approximately 24 theater arts majors protested in front of Brotman Hall by simulating tribadism including scissoring.
Tribadism and other lesbian sex scenes are featured in the film Blue Is the Warmest Colour. The scenes were the subject of debate among lesbians and critics, with Having sex with two girls depiction of scissoring being one of the acts that were criticized; in an interview surveying a small panel of lesbian women, one of the women, who was skeptical that lesbian sexual activity included scissoring at all, seemed more open to the idea of a reverse cowgirl position of scissoring; another woman had engaged in the reverse cowgirl position of scissoring.
Female-female genital sex is not exclusive to humans. Females of the bonobo species, found in the Democratic Republic of the Congoalso engage in this act, usually referred to by primatologists as GG rubbing genital-to-genital. In bonobos, the clitoris is larger and Having sex with two girls externalized than in most mammals. From Wikipedia, the free encyclopedia. Gould's Pocket Medical Dictionary 10th rev. Lesbian histories and cultures: Retrieved February 29, Retrieved December 19, The Good Vibrations Guide to Sex 3rd ed.
A Nationwide Study of Female Sexuality. Retrieved 2 March Retrieved November 4, Penner; Caroline Vander Stichele Mapping gender in ancient religious discourses.