Definition of superfecta in English:
superfecta
noun ˌsuːpəˈfɛktəˌsjuːpəˈfɛktə
US A method of betting in which the person placing the bet must pick the first four (occasionally six) finishers of a horse race in the correct order.
Origin
1970s; earliest use found in The New York Times. From super- + -fecta.