tenterhooks
Concise Oxford English Dictionary © 2008 Oxford University Press:
tenterhook/ˈtɛntəhʊk/
▶noun historical a hook used to fasten cloth on a tenter.
– phrases
on tenterhooks in a state of agitated suspense.
on tenterhooks in a state of agitated suspense.
'tenterhooks' also found in these Oxford entries:

