D defs.my
Entry 2 senses Webster, 1913

Intercourse

/ĭn'-tẽrk-ôrsˌ/ · In·ter·course · IPA /ˈɪn.tɚˌkɔɹs/
01 n. A commingling; intimate connection or dealings between persons or nations, as in common affairs and civilities, in correspondence or trade;…
  1. 1.
    A commingling; intimate connection or dealings between persons or nations, as in common affairs and civilities, in correspondence or trade; communication; commerce; especially, interchange of thought and feeling; association; communion.
    “This sweet intercourse Of looks and smiles.” Milton.
  2. 2.
Phrases & compounds
Sexual intercourse — sexual or carnal connection; coition; copulation, especially between humans.