what is the meaning of prototype
2. a: someone or something that has the typical qualities of a particular group, kind, etc. He is the prototype of a conservative businessman. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. b: a first or early example that is used as a model for what comes later. The Sherlock Holmes stories are the prototypes of modern detective stories. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.