Areola - The dark ring of skin surrounding the nipple.

Bisexual - A person who is sexually or romantically attracted to both sexes.

Circumcision- The surgical procedure of removing the foreskin of the penis.

Clitoris- The most sensitive external female sex organ, located near the top of the vulva

Coitus or Sexual Intercourse or Copulation or Vaginal intercourse- Insertion of the penis into the vagina, followed by rhythmic movement of the penis.

Condom- A sheath of latex, plastic, or animal skin worn over the penis to prevent sperm ejaculating into the vagina to prevent pregnancy or the transmission of disease.

Cunnilingus- Stimulation of the vulva with the mouth

Diaphragm- A dome-shaped cap of rubber designed to cover the cervical opening and prevent sperm from entering the cervix.

Erotic Fantasy- Reading, watching, imagining, telling, or acting out erotic fantasies with or without a partner.

FistingInserting a hand into the rectum or vagina of a sexual partner, forming a fist during or after insertion.

Foreplay- Sexual activity including caressing, touching, stroking, kissing, massaging, and other types of bodily contact that promotes sexual excitement (erection or vaginal lubrication). This type of sexual activity may or may not lead to orgasm and does not necessarily lead to sexual intercourse.

Heterosexual- A person who is sexually or romantically attracted only to the opposite sex.

Hymen- Any tissue that partly or completely covers the vaginal opening.

Intercourse- Insertion of the erect penis into the vagina or anus.

Interfemoral Intercourse- Inserting and moving the penis between the thighs.

Labia Majora - The thicker, outside labia.

Labia Minora - The inner labia.

Mammary Intercourse- Inserting and moving the penis between the breasts.

Mammary Intercourse- Inserting and moving the penis between the breasts.

Oral Sex- see Cunnilingus, Fellatio, and Anilingus.

Outercourse- Any kind of sexual pleasure or stimulation between partners that does not include insertion of the penis into the vagina, anus, or mouth.

Paraphilia- Sexual arousal or orgasm dependent upon a sexual practice that is outside of social norms.

Prostitution- Exchange of money for sexual favors

Rape- Sexual intercourse (vaginal, anal or oral) or other sexual contact forced by one person upon another using physical force, threat, or coercion. It may also be defined as Sexual activity forced upon someone unwilling or unable to give consent.

Sadomasochism- The consensual use of domination or pain for sexual arousal and stimulation; fantasizing or playing out dominant and submissive roles. The “sadist” is the partner who dominates or inflicts pain, and the “masochist” is the partner who is dominated or receives pain.

Sex Toys- Objects used for or designed for enhancing sexual pleasure eg. dildos, vibrators, and implements used for bondage etc.

Transvestite- Dressing in clothes traditionally used by members of the opposite sex. In some people, cross-dressing may be a compulsion, or sexual arousal may be dependent upon cross-dressing. Many transvestites are heterosexual men whose behavior pattern does not lead to transsexualism (living and passing socially as a member of the opposite gender). Other transvestites are homosexual men (“drag queens”), who often develop elaborate feminine personas.

Troilism- Sexual activity between three people

Vaginal Intercourse- Inserting the penis into the vagina.

Vulva- Collective term referring to a woman's external genitalia.