2 occurrences in 2 dictionaries

Reference: Host of Heaven

Easton

The sun, moon, and stars are so designated (Ge 2:1). When the Jews fell into idolatry they worshipped these (De 4:19; 2Ki 17:16; 21:3,5; 23:5; Jer 19:13; Zep 1:5; Ac 7:42).

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Hastings

The phrase 'host (or army) of heaven' occurs in OT in two apparently different senses

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American Standard Version Public Domain