thumbscrew

noun
thumb·​screw | \ ˈthəm-ˌskrü How to pronounce thumbscrew (audio) \

Definition of thumbscrew

1 : an instrument of torture for compressing the thumb by a screw
2 : a screw having a flat-sided or knurled head so that it may be turned by the thumb and index finger

Illustration of thumbscrew

Illustration of thumbscrew

thumbscrew 2

First Known Use of thumbscrew

1788, in the meaning defined at sense 1

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Time Traveler for thumbscrew

The first known use of thumbscrew was in 1788

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More Definitions for thumbscrew

thumbscrew

noun

English Language Learners Definition of thumbscrew

: a device used in the past to torture people by crushing their thumbs
: a type of screw with a flat-sided head that can be held and turned with your thumb and fingers

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Rhyming Dictionary: Words that rhyme with thumbscrew

Britannica.com: Encyclopedia article about thumbscrew

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