Meaning ofpasse-partoutin English

Noun

1. a versatile frame or mat for holding pictures
   The artist used a passe-partout to frame her latest painting.
2. a key that opens multiple locks
   A passe-partout key is very useful for managers who need to access many rooms.
3. a document allowing unrestricted passage; safe-conduct
   The diplomat obtained a passe-partout document to travel safely through the war zone.