trin ‧ ket /ˈtrɪŋkət, ˈtrɪŋkɪt/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Origin: Perhaps from trenket 'small knife' (15-16 centuries) , from Old North French trenquet , from trenquer 'to cut' ]
a piece of jewellery or a small pretty object that is not valuable