zo·o·ge·og·ra·phy (z???-j?-?g?r?-f?)n. The biological study of the geographic distribution of animals, especially the causes and effects of such distribution.zo?o·ge·og?ra·pher n.zo?o·ge?o·graph?ic (-?-gr?f??k), zo?o·ge?o·graph?i·cal (-?-k?l) adj.zo?o·ge?o·graph?i·cal·ly adv.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.