Noun: passe-partout ,pas,paa(r)'too
- A key that opens many locks, typically all the locks in a building
"The superintendent carried a passe-partout for all apartments in the complex";
- passkey, master key, master
- A mounting for a picture using gummed tape
"The artist used a passe-partout to frame her delicate watercolour sketch"
Derived forms: passe-partouts
Encyclopedia: Passe-partout