丈母 zhàngmǔ

zhàngmǔ noun mother-in-law; wife's mother
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '丈母'; Guoyu '丈母'; Mathews 1931 '丈母', p. 21; NCCED '丈母', p. 2057; )

Also contained in

丈母娘 、 叔丈母