0 one of two or more women who are married to the same man in polygamy (= a system that allows this):
He says his mother's disputes with her co-wife influenced him to choose monogamy.
A co-wife in feminine vocabulary was a thorn in one's side (satin kanta).
She may even have to accept becoming a co-wife.
A co-wife she met by chance broke down when she was informed of the tragedy.
The younger co-wife, supported by the goddess, restores her own honor and her husband's as well.
Also, those with more than one co-wife had higher fertility than those with only one co-wife.
Among the wives of polygynists, 65% of those who had only one co-wife but 74% of those who had more than one co-wife could not read or write.
The concubine was a co-wife, though not of the same rank; the first wife had no power over her.
Any additional spouse is referred to as a co-husband or co-wife, respectively.