01 n. Permission to pass; a document given by the competent officer of a state, permitting the person therein named to pass or travel from place …
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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.“Caution in granting passports to Ireland.” — Clarendon.
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2.
A document carried by neutral merchant vessels in time of war, to certify their nationality and protect them from belligerents; a sea letter.
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3.
A license granted in time of war for the removal of persons and effects from a hostile country; a safe-conduct.
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4.
Figuratively: Anything which secures advancement and general acceptance.“His passport is his innocence and grace.” — Dryden.