Easton's Bible Dictionary (1897)
(1Thess. 4:16; Jude 1:9), the prince of the angels.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
ARCHAN'GEL, the prince or chief of angels. The word only occurs twice in the Bible, 1 Thess 4:16; Jude 9, and it is generally believed that a created, though highly-exalted, being is denoted by the term.