doohickey /dooˈhiki/ (US informal)

A gadget, esp one whose name escapes one

• airship
• airships
• air shot
• air shots
• airshow
• air shower
• airshows
• airsick
• air-sickness
• airside
• air sign
• air signs
• airspace
• airspaces
• airspeed
• airspeeds
• air-splint
• air-splints
• air station
• air stations
• airstop
• airstops
• airstream
• airstream mechanism
• airstreams