Employment in duties or work for another, as for a government: has been in the company's service for 15 years. A government branch or department and its employees: the diplomatic service. The armed forces of a nation: joined the service right after college. A branch of the armed forces of a nation. The performance of work or duties for a superior or as a servant: found the butler's service to be excellent. Work done for others as an occupation or business: has done service for us as a consultant. An act or a variety of work done for others, especially for pay: offers a superior service to that of his competitors; provides full catering services. A department or branch of a hospital staff that provides specified patient care: the anesthesiology service. Installation, maintenance, or repairs provided or guaranteed by a dealer or manufacturer: a dealer with full parts and service. A facility providing the public with the use of something, such as water or transportation. Assistance; help: was of great service to him during his illness. An act of assistance or benefit; a favor: My friend did me a service in fixing the door. Active devotion to God, as through good works or prayer. A religious rite. The serving of food or the manner in which it is served. A set of dishes or utensils: a silver tea service. Sports The act, manner, or right of serving in many court games; a serve. Copulation with a female animal. Used of male animals, especially studs. Law The serving of a writ or summons. The material, such as cord, used in binding or wrapping rope. An answering service. To make fit for use; adjust, repair, or maintain: service a car. To provide services to. To make interest payments on (a debt). To copulate with (a female animal). Used of a male animal, especially studs.