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house; residence; dwelling; home
family; household
lineage; family name
「家」 has other readings with different meanings.
早く家に帰りたいなあ。
I really want to go home soon.
家の事情で留学を諦めた。
I gave up studying abroad for family reasons.
友達の家に遊びに行った。
I went to hang out at my friend's house.