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rainbow-collar

American  
[reyn-boh-kol-er] / ˈreɪnˌboʊˈkɒl ər /

adjective

Informal.
  1. being or of an employee who combines work or experience on the assembly line with more technical or administrative duties; having both blue-collar and white-collar duties or experience.

  2. being, of, or for a factory worker supplanted by automated equipment and retrained for technical or administrative duties.