Search Result for "polygyny": 
Wordnet 3.0

NOUN (1)

1. having more than one wife at a time;


The Collaborative International Dictionary of English v.0.48:

Polygyny \Po*lyg"y*ny\, n. [Poly- + Gr. ? woman, wife.] The state or practice of having several wives at the same time; marriage to several wives. --H. Spenser. [1913 Webster]
WordNet (r) 3.0 (2006):

polygyny n 1: having more than one wife at a time