thumbscrew

Primary Meanings of thumbscrew

1.
n
screw designed to be turned with the thumb and fingers
2.
n
instrument of torture that crushes the thumb
Full Definitions of thumbscrew
1

n screw designed to be turned with the thumb and fingers

Type of:
screw
a fastener with a tapered threaded shank and a slotted head
2

n instrument of torture that crushes the thumb

Type of:
instrument of torture
an instrument of punishment designed and used to inflict torture on the condemned person

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