also: しょうか
noun
house where one was born; birthplace home
Refers specifically to the physical house or dwelling where a person was born.
彼は生家を訪ねて、子供の頃の思い出に浸った。
He visited the house where he was born and reminisced about his childhood.
noun
one's parents' house; family home
Refers to the home of one's parents, often implying the house where one grew up, not necessarily the birthplace.
正月には生家に帰省して両親と過ごす。
During New Year's, I go back to my parents' house and spend time with them.
実家 is the more common, everyday word for one's parents' home or family home. 生家 is more literary and emphasizes the house where one was born or grew up.
Compound of 生 (sei, 'birth') and 家 (ka, 'house'). The reading しょうか is an older Sino-Japanese reading, now rare.