From Longman Dictionary of Contemporary Englishconsumer groupconˈsumer ˌgroup noun [countable] an organization that makes sure that consumers are treated fairly and that products are safeFrom Longman Business Dictionaryconsumer groupconˈsumer groupORGANIZATIONS an organization for protecting the interests and rights of consumersConsumer groups say that alliances between airlines could push up fares. → group