boarding pass
US /ˈbɔːr.dɪŋ ˌpæs/
UK /ˈbɔːr.dɪŋ ˌpæs/

1.
a pass that allows you to board a ship or plane
:
•
Please have your boarding pass ready at the gate.
•
I can't find my boarding pass anywhere.
a pass that allows you to board a ship or plane