Bible Dictionaries
Abaddon

Webster's Dictionary

(1):

(n.) The destroyer, or angel of the bottomless pit; - the same as Apollyon and Asmodeus.

(2):

(n.) Hell; the bottomless pit.

Bibliography Information
Webster, Noah. Entry for 'Abaddon'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​a/abaddon.html. 1828.