›a person or organization you are closely involved with in some way: He gave up his job as a police officer after his partner was killed.The two companies are partners in a contract to build a new power station.Helpers and accomplicesPeople who help or serve people professionallyFriends, acquaintances and contemporariesB2one of the owners of a company: He's a partner in an insurance company/a law firm.Bosses, managers and directorsPeople in charge of or controlling other peopleB1the person you are married to or living with as if you were married to them, or the person you are having a sexual relationship with: I've invited David and his partner over for dinner.Romantic and sexual partnersA2one of a pair of dancers or one of a pair who are playing a sport or a game together, especially when the pair are playing as a teamDance and choreography in generalCompetitors and participants in sports and games