labor partyEnglishOxford New American Dictionarylabor party /ˈlābər ˈpärdē, ˈleɪbər ˈpɑrdi/ ▸ noun a political party formed to represent the interests of ordinary working people. ▪ (the Labor Party) a major party in Israel, Australia, and certain other countries. ▪ variant spelling of Labour Party.