polygynist
po·ly·gy·nist
noun
1.
a man with two or more wives
Origin
From polygyny + -ist.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.