(n.) A coming together; sexual intercourse; copulation.

act of love adulterous affair affair amour aphrodisia ass balling carnal knowledge climax cohabitation coition coitus coitus interruptus commerce concubinage congress connection copula copulation coupling criminal conversation cuckoldry diddling entanglement eternal triangle extracurricular sex extramarital relations flirtation forbidden love fornication free love free-lovism hanky-panky illicit love incest infidelity intercourse intimacy intrigue liaison love affair lovemaking making it with marital relations marriage act mating meat onanism orgasm ovum pareunia premarital relations premarital sex procreation relations romance romantic tie screwing sex sex act sexual climax sexual commerce sexual congress sexual intercourse sexual relations sexual union sleeping with sperm triangle unfaithfulness venery