Simple Definition of father–in–law
: the father of your husband or wife
First Known Use of father–in–law
FATHER–IN–LAW Defined for Kids
Definition of father–in–law for Students
: the father of a person's husband or wife
Learn More about father–in–law
Spanish Central: Translation of "father–in–law"
Seen and Heard
What made you want to look up father–in–law? Please tell us where you read or heard it (including the quote, if possible).