co-mother-in-law (English, noun)
expansion: co-mother-in-law (plural co-mothers-in-law)
Senses:
glosses: The mother of one's children-in-law; that is, the mother-in-law of one's children, or, the mother of one spouse in relation to the parents of the other spouse; either of two or more women whose children marry each other, such as the mother of a bride vis-à-vis the mother of the groom.
tags: uncommon
Forms:
form: co-mothers-in-law
tags: plural