Definition of commercing:
(n) :
(business) The exchange or buying and selling of commodities; especially the exchange of merchandise, on a large scale, between different places or communities; extended trade or traffic.
(n) :
Social intercourse; the dealings of one person or class in society with another; familiarity.
(v) :
(intransitive, archaic) To carry on trade; to traffic.
(v) :
(intransitive, archaic) To hold conversation; to communicate.
(n) :
(card games) An 18th-century French card game in which the cards are subject to exchange, barter, or trade.
(n) :
(obsolete) Sexual intercourse.