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co•i•tus(ˈkoʊ ɪ təs)
sexual intercourse, esp. between a man and a woman.
[1705–15; < Latin: a coming together, uniting, sexual intercourse =coi- (see coition) + -tus suffix of v. action]
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|Noun||1.||coition - 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|
carnal knowledge, coitus, copulation, sex act, sexual congress, sexual intercourse, sexual relation, intercourse, relation, congress
sex, sex activity, sexual activity, sexual practice - activities associated with sexual intercourse; "they had sex in the back seat"
defloration - the act of depriving a woman of her virginity (especially by rupturing the hymen through sexual intercourse)
insemination - the introduction of semen into the genital tract of a female
fuck, fucking, nookie, nooky, piece of ass, piece of tail, roll in the hay, screwing, shtup, ass, shag, screw - slang for sexual intercourse
hank panky - illicit sexual intercourse
penetration - the act (by a man) of inserting his penis into the vagina of a woman