plural of mother-in-law

The mother of one's spouse. / A mother-in-law apartment. / A mother-in-law sandwich. / (dated) A stepmother.

(nonstandard) plural of mother-in-law

plural of co-mother-in-law

(linguistics, anthropology) The style of speech and manners which are to be observed between an Australian aboriginal man and his mother-in-law (i.e. wife's mother). Depending on the particular people, this can go so as far as an entirely separate vocabulary of words.

A small apartment attached to or carved out of a nominally single-family house, ostensibly intended for occupancy by a mother-in-law or other relative, but potentially also rented out to a stranger.

The mother of one's boyfriend or girlfriend. / The mother of any of one's friends. / The mother of one's ex-spouse.

plural of mother-in-law seat

A rumble seat in an automobile.

A plant with narrow, leathery, pointed leaves, Sansevieria trifasciata, recently also known as Dracaena trifasciata, often grown as a houseplant for its distinctive foliage and its tolerance of low light. The leaves are also the source of a tough fiber used for rope.