1. a customary dwelling place; home; residence 2. Law one's fixed place of dwelling, where one intends to reside more or less permanently.Domicile is relevant to an individual's "personal law", which includes the law that governs a person's status and their property. A place of residence; house or home; abode. Basically the terms "domicile" and "legal residence" refer to the same place – the state you consider your permanent home. Domicile refers to the place you call home permanently. Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. Domicile is the place where a person has his or her principal residence. Your domicile is the state of your permanent home, or the state you consider your home whenever you are elsewhere. Your domicile is an important place.