Strong's Definition
from 2328; a circle
KJV Usage: circle, circuit, compass
STEPBible — Tyndale Abridged Hebrew Lexicon
חוּג (chug) — circle. 1) circle, circuit, compass 2) (BDB) vault (of the heavens)
UBS Dictionary of Biblical Hebrew
noun m
Regions Above the Earth
circle, horizon, vault, dome, canopy = dome-shaped structure; used exclusively to denote the firmament, which separates the waters above the earth from the earth itself; ≈ God is said to have his dwelling-place above this structure; it is also regarded as the boundary between light and darkness
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
חוּג n.[m.] vault base