I. ˈkä-(ˌ)mərs noun
Etymology: Middle French, from Latin commercium, from com- + merc-, merx merchandise
Date: 1537
1. : social intercourse : interchange of ideas, opinions, or sentiments
2. : the exchange or buying and selling of commodities on a large scale involving transportation from place to place
3. : sexual intercourse
Synonyms: see business
II. ˈkä-(ˌ)mərs, kə-ˈmərs intransitive verb
( com·merced ; com·merc·ing )
Date: 1596
archaic : commune