father-in-law
noun
- male parent-in-law
Wiktionary
Pronunciation: /ˈfɑːðəɹɪnˌlɔː/
noun
Etymology: From Middle English fader in lawe, fadyr-in-lay, fader yn lawe, equivalent to father + -in-law.
- One's spouse's father.
- A stepfather.
“`Yes,` replied Snawley. `The fact is, I am not their father, Mr Squeers. I'm only their father-in-law.`”