Definition of polygynous
: relating to or practicing polygyny polygynous species of birds
Recent Examples of polygynous from the Web
The first is that in polygynous species, males are generally larger than females, because of the need to compete for access to females.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polygynous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of polygynous
Learn More about polygynous
Seen and Heard
What made you want to look up polygynous? Please tell us where you read or heard it (including the quote, if possible).