From King Dictionary of Contemporary English
Related topics: Family
father-in-lawˈfather-in-ˌlaw ●●○ noun (plural fathers-in-law) [countable] SSFMARRYthe father of your husband or wife
Examples from the Corpus
father-in-lawOne morning, in addition, he encountered his father-in-law, striding along in the pursuit of some business or other from home.His father-in-law had given up trying to explain to him the different cuts of meat.Recently my father-in-law died, and I was anxious for our children to go and see him and say goodbye.That, my father-in-law is the same way.My father-in-law got me into it, and he bought me Sadie when she was six months old.