thumbscrew

/ˈθʌmˌskruː/
noun
  1. A screw with a flattened head that can be turned by the thumb and forefinger.
    • The lamp's bracket is secured with a thumbscrew.
    • She adjusted the microscope's focus using the thumbscrew.
    • He tightened the thumbscrew on the clamp.
  2. An instrument of torture that crushes the thumbs, used historically.
    • The thumbscrew was a brutal device used during the Inquisition.
    • Prisoners were threatened with the thumbscrew to force confessions.
    • The museum displayed a medieval thumbscrew in the torture exhibit.
  3. Something that causes pressure or coercion.
    • The deadline felt like a thumbscrew tightening every day.
    • The new tax law is a thumbscrew on small businesses.
    • The boss applied the thumbscrew to get the team to work faster.
What does "thumbscrew" mean? | whatsthatwordmean | whatsthatwordmean