The American Heritage® Dictionary of the English Language, 4th Edition
n. Farming engaged in as a large-scale business operation embracing the production, processing, and distribution of agricultural products and the manufacture of farm machinery, equipment, and supplies.
n. big business connected to agriculture, either owning or operating large scale farms, or catering to those who do.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a large-scale farming enterprise
Word Usage
"It was the puppy mills and their pals in agribusiness that lobbied state lawmakers to refer a measure to the ballot to take away voting rights in the state and make sure only politicians, not citizens, could make decisions on animal issues."