1. The destroyer, or angel of the bottomless pit; - the same as Apollyon and Asmodeus
    
2. Hell; the bottomless pit

Encyclopedia: Abaddon

• Hottonia palustris
• houdah
• Houdini
• hough
• Houghton
• houhere
• hoummos
• hound
• hound dog
• hound's-tongue
• hound's-tooth check
• houndstooth
• hour
• hour angle
• hour circle
• hour hand
• hourglass
• hourglass-shaped
• houri
• hourlong
• hourly
• hours
• Housatonic
• Housatonic River
• house