EnglishMain Dictionary
tenterhooks
Universal Words
noun
[pl.]
IDIOMS
(be) on tenterhooks (AmE also be on pins and needles) (to be) very anxious or excited while you are waiting to find out sth or see what will happen:
I've been on tenterhooks all week waiting for the results.
ORIGIN From tenterhook, a hook which in the past was used to keep material stretched on a drying frame during manufacture.