zoogamy (z??????m?) n (Biology) biology the sexual reproduction of animalsCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014zoogamygamogenesis. ? zoogamous, adj.See also: Biology-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.