security — At the Airport security /sɪˈkjʊərəti/ noun CEFR A2 The place at an airport where your bags and body are checked for safety. “We waited in a long line at security.” Related words in this scene airportpassportcheck-indeparturearrivalgateluggagesuitcasebagboarding passflightplanepilotpassengerseatdelayrunwaycustomsterminalboardflylandtake offqueuescreentrolleyduty-freeescalatorannouncementlabelscalelounge Practice this word Create worksheet