'Passport' definitions:

Definition of 'passport'

noun

Any authorization to pass or go somewhere; "the pass to visit had a strict time limit" [syn: pass, passport]

noun

A document issued by a country to a citizen allowing that person to travel abroad and re-enter the home country

noun

Any quality or characteristic that gains a person a favorable reception or acceptance or admission; "her pleasant personality is already a recommendation"; "his wealth was not a passport into the exclusive circles of society" [syn: recommendation, passport]

Definition of 'Passport'

From: GCIDE

Passport \Pass"port\, n. [F. passeport, orig., a permission to leave a port or to sail into it; passer to pass + port a port, harbor. See Pass, and Port a harbor.]
1. Permission to pass; a document given by the competent officer of a state, permitting the person therein named to pass or travel from place to place, without molestation, by land or by water. [1913 Webster]
Caution in granting passports to Ireland. --Clarendon. [1913 Webster]
2. A document carried by neutral merchant vessels in time of war, to certify their nationality and protect them from belligerents; a sea letter. [1913 Webster]
3. A license granted in time of war for the removal of persons and effects from a hostile country; a safe-conduct. --Burrill. [1913 Webster]
4. Figuratively: Anything which secures advancement and general acceptance. --Sir P. Sidney. [1913 Webster]
His passport is his innocence and grace. --Dryden. [1913 Webster]