From Longman Dictionary of Contemporary Englishintercoursein‧ter‧course /ˈɪntəkɔːs $ ˈɪntərkɔːrs/ noun [uncountable] formal 1 (also sexual intercourse)SEX/HAVE SEX WITH the act of having sex2 EXPRESSan exchange of ideas, feelings etc which make people or groups understand each other better social intercourse
Examples from the Corpus
intercourse• She seemed tired and unable to keep up with ordinary social intercourse.Origin intercourse (1400-1500) Old French entrecours, from Latin intercursus, past participle of intercurrere “to run between” 