- a scatterbrained, stupid, or simple-minded person; dolt: Even though she's crazy about surfing, she's not the bikini-babe airhead you might think.
- an area in enemy territory or in threatened friendly territory, seized by airborne troops for bringing in supplies and additional troops by airdrop or landing.
- an area secured in hostile territory, used as a base for the supply and evacuation of troops and equipment by air
- a stupid or simple-minded person; idiot
