passport UK /ˈpɑːspɔːt/US /ˈpæspɔɹt/noun 4verb 3forms 3 noun4 •an official book that shows who someone is and where they are from, needed to enter other countriesYou will have to bring your passport to prove who you are. •(informal) Any document that allows entry or passage. •(figurative) Something which enables someone to do or achieve something.The tenor's voice was his passport to the international concert circuit. •An identification document used by firefighters, collected when they enter a dangerous area and returned when they leave, to keep track of who is still in the area. verb3 •Providing the legal requirements to enable or legitimize cross-border economic activity.Also, in this context, rules are different in relation to passporting the asset managers' activities, or the product […] — 2019 •To enable eligibility for a benefit automatically based on eligibility for a different benefit. •To regulate how money given to a local authority must be spent.Did we not pass an Act last year which passported the money directly through to the schools and gave local authorities very little discretion? — 2002 formspassported · passporting · passports