sexual intercourse

noun
1.
genital contact, especially the insertion of the penis into the vagina followed by orgasm; coitus; copulation.
Origin
1790-1800
British Dictionary definitions for sexual intercourse

sexual intercourse

noun
1.
the act carried out for procreation or for pleasure in which, typically, the insertion of the male's erect penis into the female's vagina is followed by rhythmic thrusting usually culminating in orgasm; copulation; coitus related adjective venereal
sexual intercourse in Medicine

sexual intercourse n.

  1. Coitus between humans.

  2. Sexual union between humans involving genital contact other than vaginal penetration by the penis.