1. A pneumatic horn 
2. Air intake of a carburettor

Derived forms: air horns

Type of: horn, inlet, intake

Part of: carburetor [N. Amer], carburettor [Brit]

Encyclopedia: Air horn

• whispering dome
• whispering gallery
• whist
• whist drive
• whistle
• whistle buoy
• whistle-stop tour
• whistleblower
• whistleblowing
• whistler
• whistlestop
• whistling
• whistling buoy
• whistling marmot
• whistling swan
• whit
• whit leather
• Whit-Tuesday
• white
• white admiral
• white alder
• white Anglo-Saxon Protestant
• white ant
• white arsenic
• white ash