- part|ner1 W2S3 [ˈpa:tnə US ˈpa:rtnər] n▬▬▬▬▬▬▬1¦(marriage etc)¦2¦(business)¦3¦(dancing/games etc)¦4¦(country/organization)¦5 partners in crime▬▬▬▬▬▬▬[Date: 1300-1400; : Anglo-French; Origin: parcener 'heir sharing half', from Old French parçon 'share'; influenced by part]1.) ¦(MARRIAGE ETC)¦one of two people who are married, or who live together and have a sexual relationship▪ Discuss your worries with your partner.▪ Only 29% of lone parents receive financial support from their former partners.▪ a sexual partner2.) ¦(BUSINESS)¦one of the owners of a business▪ She's a partner in a law firm.▪ The senior partner has retired.3.) ¦(DANCING/GAMES ETC)¦someone you do a particular activity with, for example dancing or playing a game against two other people▪ Clare's my tennis partner.▪ Take your partners for the next dance.4.) ¦(COUNTRY/ORGANIZATION)¦a country or organization that another country or organization has an agreement with▪ Nigeria is our principal trading partner in Africa.▪ The group is a junior partner (=less important group) in the PLO's governing coalition.5.) partners in crimetwo people who have planned and done something together, especially something that slightly annoys other people - used humorouslypartner 2partner2 v [T]to be someone's partner in a dance, game etc▪ I used to partner him in tennis matches.
Dictionary of contemporary English. 2013.