WordReference Random House Unabridged Dictionary of American English © 2025
air′ express′,
adj.
- Communicationsan express service for shipping small packages of goods by air: includes ground pickup at origin and delivery at destination.
- Communicationsthe goods shipped by this service.
- to send or transport by air express:Your package will be air-expressed and should reach its destination tomorrow.
adj.
- pertaining to, using, or sent by air express:Your air-express package just arrived.