tin ‧ sel /ˈtɪns ə l/ BrE AmE noun [uncountable]
[ Date: 1400-1500 ; Language: Old French ; Origin: estincelle , estancele , etincelle 'spark' ; ⇨ ↑ stencil 2 ]
1 . thin strings of shiny paper used as decorations, especially at Christmas
2 . something that seems attractive but is not valuable or important:
the tinsel and glamour of Hollywood