One or more persons accompanying another to guide, protect, or show honor. A man who is the companion of a woman, especially on a social occasion. A person, often a prostitute, who is hired to spend time with another as a companion. One or more vehicles accompanying another vehicle to guide, protect, or honor its passengers. One or more warships or planes used to defend or protect other craft from enemy attack. The state of being accompanied by a person or protective guard. To accompany as an escort. See Synonyms at accompany.