commercium (conm-) ī, n com- + merx, commercial intercourse, trade, traffic, commerce: mare et lingua commercia prohibebant, S.: portūs per commercia cogniti, Ta.: legati prohibiti commercio, L.

— The right to trade, mercantile intercourse, privilege of traffic: commercium in eo agro nemini est: Latinis populis commercia inter se ademerunt, L.

—Intercourse, communication, corres pondence: plebis, with the commonalty, L.

—Fig., correspondence, communion, fellowship: cum Musis: cum virtute: sermonis, L.: loquendi audiendique, Ta.: belli commercia, treaties, V.