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

Encyclopedia: Abaddon

• oddish
• oddity
• oddly
• oddment
• oddments
• oddness
• Oddone Colonna
• odds
• odds and ends
• odds and sods
• odds-maker
• odds-on
• ode
• odeon
• Oder
• Oder River
• Odesa
• Odessa
• Odets
• odeum
• odiferous
• Odin
• odious
• odiously
• odiousness