A large family is typically defined as a group of people related by blood or marriage, usually consisting of more than three generations. The term 'CLAN' is often used to refer to a large family, as it is a term used to describe a group of people who are related and share a common ancestor. Similarly, the term 'TRIBE' is also used to refer to a large family, as it is a term used to describe a group of people who share a common culture and language.