I Cryptic

[racoony]

Please help with 12 down.Clue is:Short ingenious thing,old instrument of torture.5 letters.I have G?D?E.Someone did suggest GADGE, which I have looked up and it means an archaic word for a fellow,so not really the right answer.Any new ideas are much appreciated.

[Lie-in King]

Gadge(t) - (Browning) - an instrument of torture (Chambers)

[emeritus]

Chambers gives Gadge as an instrument of torture

[dannyk13]

Gadge(t)
gadge - definition and meaning - Wordnik https://www.wordnik.com/words/gadge undefined: A spurious word, in the passage quoted, intended to denote some instrument of torture.

[racoony]

Thanks both, I clearly need to buy a better dictionary!