'Polygamist' definitions:
Definition of 'polygamist'
From: WordNet
noun
Someone who is married to two or more people at the same time
Definition of 'Polygamist'
From: GCIDE
- Polygamist \Po*lyg"a*mist\, n. [Cf. F. polygamiste, polygame, Gr. ?, a.] One who practices polygamy, or maintains its lawfulness. [1913 Webster]