coitus

co·i·tus  (k-ts, k--)

n.

Sexual union between a male and a female involving insertion of the penis into the vagina.

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[Latin, from past participle of core, to copulate : co-, co- + re, to go, come; see ei- in Indo-European roots.]

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coi·tal adj.

coi·tal·ly adv.

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coitus [koh-it-uss, koh-ish-un] or coition

Noun

sexual intercourse [Latin coire to meet]

coital adj

Thesaurus

Noun

1.

coitus - 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, coition, 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 criminal congress, unlawful carnal knowledge - forbidden or tabu sexual intercourse between individuals