n. The practice of having one wife at the same time.
n. The condition in ants of having only one queen at a time.
the GNU version of the Collaborative International Dictionary of English
n. Marriage with the one woman only.
n. The state or condition of being monogynous.
The Century Dictionary and Cyclopedia
n. In zoology and anthropology, a mating with only one female or wife; the monogynous state: correlated with monandry.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. having only one wife at a time
Word Usage
"Despite praise for levirate marriage, it was almost completely abandoned by the end of the second century C.E. as it often clashed with the move toward monogyny."