Black's Law Dictionary (2nd edition)dictionaries

Intercourse

Communlcatlon; literally, a running or passlng between persons or places; commerce. As applied to two persons, the word standing alone, and with-out a descriptive or qualifying word, does not import sexual connection. People v. Howard, 143 Cal. 316, 76 Pac. 1116

Source: Black’s Law Dictionary 2nd Ed (1910)