From Longman Dictionary of Contemporary Englishroadrunnerroad‧run‧ner /ˈrəʊdrʌnə $ ˈroʊdrʌnər/ noun [countable] HBBa small bird that runs very fast and lives mainly in deserts
Examples from the Corpus
roadrunner• M., where the state bird is the roadrunner.• The Comanche thought the roadrunner was a good-luck charm, and hung its skin in their tipis. 