spouse's parents' home; in-laws' home
Refers specifically to the home of one's spouse's parents. Often used in contexts of visiting or staying with in-laws.
See also: 義 (ぎ)
We plan to visit my spouse's parents' home at the end of the year.
Compound of 義 (gi, 'in-law') and 実家 (jikka, 'parents' home').