Definition of forerunner noun from the Oxford Advanced American Dictionary

 

forerunner

 noun
noun
NAmE//ˈfɔrˌrʌnər//
 
forerunner (of somebody/something)
 
jump to other results
a person or thing that came before and influenced someone or something else that is similar; a sign of what is going to happen Rhythm and blues was undoubtedly one of the forerunners of rock and roll. He is recognized as the forerunner of all modern-day psychoanalysts. An early injury proved the forerunner of a disastrous performance by Williams.
See the Oxford Advanced Learner's Dictionary entry: forerunner