Definition of "airside"

airside

adjective
not comparable
1. In the passenger-only area of an airport, beyond security, passport/immigration, and customs controls.
adverb
not comparable
1. Into the passenger-only area of an airport, beyond security, passport/immigration, and customs controls.
noun
plural airsides
1. A passenger-only area of an airport, beyond security, passport/immigration, and customs controls.