A-pŏl'ly-on or A-pŏll'yon, n.

n. [Gr. ἀπολλύων, destroying, from ἀπολλεύειν, ἀπολλεύναι, to destroy utterly, from ἀπό, from, entirely, and ὀλλύναι, to destroy.] The destroyer; — a name used, Rev. ix. 11, for the angel of the bottomless pit, answering to the Hebrew Abaddon.