agribusiness Syllabification: (ag·ri·busi·ness)Pronunciation: /ˈagrəˌbiznis/Definition of agribusiness noun 1agriculture conducted on commercial principles, especially using advanced technology. an organization engaged in this. 2the group of industries dealing with agricultural produce and services required in farming. Origin: 1950s (originally US): blend of agriculture and businessagribusiness in other Oxford dictionaries Definition of agribusiness in the British & World English dictionary