thumbscrew

thumb·screw

noun \-ˌskrü\

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

First Known Use of THUMBSCREW

1788

Rhymes with THUMBSCREW

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