[in.ter.course] n [ME intercurse, prob. fr. MF entrecours, fr. ML intercursus, fr. L, act of running between, fr. intercurrere to run between, fr. inter- + currere to run--more at car] (15c) 1: connection or dealings between persons or groups
2: exchange esp. of thoughts or feelings: communion
3: physical sexual contact between individuals that involves the genitalia of at least one person "heterosexual ~" "anal ~" "oral ~"; esp: sexual intercourse 1