Also found in: Thesaurus, Medical, Encyclopedia.
a. Fertilization of a flower by its own pollen.
b. The union of nuclei within and arising from a single cell, as in certain protozoans and fungi.
au′to·gam′ic (ô′tō-găm′ĭk), au·tog′a·mous adj.
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.