sexual intercourse, intercourse, sex act, copulation, coitus, coition, sexual congress, congress, sexual relation, relation, carnal knowledge

the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur

• defloration — the act of depriving a woman of her virginity (especially by rupturing the hymen through sexual intercourse)
• fuck, fucking, screw, screwing, ass, nooky, nookie, piece of ass, roll in the hay, shag, shtup — slang terms for sexual intercourse
• hank panky — illicit sexual intercourse
• penetration — the act (by a man) of inserting his penis into the vagina of a woman
• unlawful carnal knowledge, criminal congress — forbidden or tabu sexual intercourse between individuals

• sexual activity, sexual practice, sex, sex activity — activities associated with sexual intercourse

• insemination — the introduction of semen into the genital tract of a female