monandry

from WordNet (r) 3.0 (2006)
monandry
    n 1: the state of having only one husband at a time
    
from The Collaborative International Dictionary of English v.0.48
Monandry \Mo*nan"dry\, n. [See {Monandria}.]
   The possession by a woman of only one husband at the same
   time; -- contrasted with polyandry.
   [1913 Webster]
    

[email protected]