English dictionary

thumbscrew

/'/T//@/m'skr/u/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

instrument of torture that crushes the thumb

noun.artifact

Source: WordNet 3.0
screw designed to be turned with the thumb and fingers

noun.artifact

Source: WordNet 3.0
A screw having a flat-sided or knurled head, so that it may be turned by the thumb and forefinger.

noun

Source: webster1913