Mother-in-law apartment

/mˈʌðəɹɪnlˈɔː ɐpˈɑːtmənt/

/mˈʌðɚɹɪnlˈɔː ɐpˈɑːɹtmənt/

a living space, usually as a smaller part of a house, in which an elderly family member lives

Examples

1. Was it in your mothers-in-law apartment or in some posh country home?