Definition of: passport

(pas′pôrt′, -pōrt′, päs′-) noun
1. An official warrant certifying the citizenship of the bearer and affording protection to him when traveling abroad; a safe conduct.
2. A permit to travel or convey goods through a foreign country.
3. A documentary permission for a ship to proceed on a voyage.
4. A means or authority to pass; that which empowers one to arrive at anything: a passport to success.
5. That which gives the privilege or right to enter into some sphere of action. See NAVICERT. [<F passeport <passer pass + port harbor]