Noun
The mother of one's husband or wife.
Source: Webster's dictionarymother in law
A beaded robe, which was often given to a bride to be, could take over a year to produce and was usually created by the bride's mother-in-law or another female relative-in-law. Source: Internet
A few days later Wren's mother-in-law, Lady Coghill, arrived to take the infant Christopher back with her to Oxfordshire to raise. Source: Internet
ADUs, sometimes called “mother-in-law” units or “granny flats,” are one part of the state’s ideal formula for providing such housing. Source: Internet
A man who pleaded be kept anonymous has narrated how he and his mother-in-law have been having what he described as super affectionate sex and he hardly enjoys doing it with his wife now. Source: Internet
And standing to her left, her new mother-in-law can too be seen wearing a high-necked lace gown with sheer sleeves and embroidered detailing. Source: Internet
A lot of this came from my mother-in-law herself, who could not and would not grasp that her son was not the major earner and could look after her. Source: Internet