also: いっけ
noun
family; household; whole family
Refers to a family or household as a unit, often with the sense of the whole family together or the people one supports at home.
父は長年、一家を支えてきた。
My father supported the family for many years.
夏
During summer vacation, the whole family traveled to Hokkaido.
noun
Used for an established personal style, artistic line, scholarly school, or recognized approach; especially common in expressions such as 一家を成す.
彼は若くして日本画の世界で一家を成した。
He established his own school in the world of Japanese painting while still young.
noun
gang; yakuza family
Underworld or crime-related use for a gang organization, especially a yakuza group treated as a 'family.'
警察は暴力団の一家の事務所を捜索した。
The police searched the office of a yakuza family.