noun ten·ter·hook \ˈten-tər-ˌhu̇k\

Definition of tenterhook

  1. :  a sharp hooked nail used especially for fastening cloth on a tenter

on tenterhooks

  1. :  in a state of uneasiness, strain, or suspense the waiting kept us on tenterhooks

15th Century

First Known Use of tenterhook

15th century

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