streamliner

/ˈstriːmˌlaɪnər/
noun
  1. A vehicle, especially a train, designed with a smooth, aerodynamic shape to move quickly and efficiently.
    • The sleek streamliner cut through the air with minimal resistance.
    • Museums often display vintage streamliners from the 1930s and 1940s.
    • The old streamliner train glided silently through the countryside.
  2. A person or thing that makes a process or system more efficient by simplifying it.
    • He hired a streamliner to reorganize the warehouse layout.
    • The new software acted as a streamliner for the company's billing process.
    • She was known as a streamliner, always finding ways to cut unnecessary steps.
What does "streamliner" mean? | whatsthatwordmean | whatsthatwordmean