Boarding Pass  is the Coupon showing passenger information which must be surrendered in order to board a flight.

Other definition:
boarding pass is the receipt with a seat number, now issued only at check-in at the airport. A ticket is not valid unless a boarding pass has been issued !
Other definition:
Boarding Pass is a document attached to a ticket, which permits the passenger to board the aircraft and claim a specific seat. Not all airlines issue boarding passes.

Other definition:
Boarding Pass are a card given to a traveler indicating the seat assignment.

Other definition:
Boarding pass are the document that allows a traveler to pass through the gate area
and onto a plane or ship.

List of books: Boarding,Pass