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

noun. Coition; sexual intercourse; copulation.

noun. The act of sexual procreation between a man and a woman, requiring insertion of the penis into the vagina and culminating in ejaculation of semen.

noun. 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

"After marriage we practised all sorts of fancy coitus, _coitus reservatus_, etc., and rarely passed twenty-four hours without two conjunctions, until she got far on in the family way, and our play had to cease for a while."

coital  coitally  coitus interruptus  coitus reservatus  

sex  sex activity  sexual activity  sexual practice  

ass  criminal congress  defloration  fuck  fucking  

copulation  intercourse  masturbation  onanism  prolapse  

act of love  adultery  aphrodisia  ass  balling