Of or relating to the family or household: domestic chores. Fond of home life and household affairs. Tame or domesticated. Used of animals. Of or relating to a country's internal affairs: domestic issues such as tax rates and highway construction. Produced in or indigenous to a particular country: domestic oil; domestic wine. A household servant. Cotton cloth. Household linens. Often used in the plural. A product or substance discovered in, developed in, or exported from a particular country.