/ˈfɔ:rʌnə(r) ||; ˈfɔrˌrʌnɚ/noun [C] a forerunner (of sb/sth) a person or thing that is an early example or a sign of sth that appears or develops later 先驱；先兆: Country music was undoubtedly one of the forerunners of rock and roll. 乡村音乐无疑是摇滚乐的先驱之一。