Knife found among precious tableware (4)
I believe the answer is:
stab
'knife' is the definition.
('stab' can be a synonym of 'knife')
'among precious tableware' is the wordplay.
'among' indicates the answer is hidden within the clue.
'STAB' can be found hidden inside 'precious tableware'.
'found' acts as a link.
(Other definitions for stab that I've seen before include "Thrust (weapon into)" , "Thrust at and pierce" , "Jab" , "pink" , "Pierce with a knife" .)