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

Encyclopedia: Abaddon

• half-yearly
• halfback
• halfbeak
• halfhearted
• halfpenny
• halfpennyworth
• halftime
• halftone
• halftone engraving
• halfway
• halfway house
• Haliaeetus
• Haliaeetus leucocephalus
• Haliaeetus leucorhyphus
• Haliaeetus pelagicus
• Haliatus albicilla
• halibut
• halibut-liver oil
• Halicarnassus
• Halicoeres
• Halicoeres bivittatus
• Halicoeres radiatus
• Halictidae
• halide
• halidom