First Known Use of mother-in-law
MOTHER-IN-LAW Defined for English Language Learners
Definition of mother-in-law for English Language Learners
: the mother of your husband or wife
MOTHER-IN-LAW Defined for Kids
Definition of mother-in-law for Students
Seen and Heard
What made you want to look up mother-in-law? Please tell us where you read or heard it (including the quote, if possible).