co-mother

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Noun

co-mother (plural co-mothers)

1. (obsolete) The relationship of a godmother to the other god-parents, and the legal parents, of a child.

   Synonyms: cummer, gossip, commère

   cot en

2. In polygamy, a wife of one's father who is not one's mother; that is, co-wife of one's mother.

   Synonyms: sister-wife

3. In polygamy, the relationship between one co-wife and another, in respect to their children.

   Synonyms: sister-wife

4. In a lesbian couple, the nonbirth mother (partner of the birth mother) of a child, especially one who takes an equal role in mothering the child.

   Synonyms: stepmother

   cot en

Related terms

• co-sister
• co-aunt
• co-grandmother
• co-wife
• co-mother-in-law

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