Definition of "heterogamete" []

• Either of two conjugating gametes that differ in structure or behavior, such as the small motile male spermatozoon and the larger nonmotile female ovum. Also called anisogamete. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.