חוּג (ḥûg) is
a Hebrew noun
meaning vault. It appears
3 times
in 3 books of the Hebrew Bible
(Strong's H2329).
Also rendered
circle
Same Hebrew root (TWOT 615a)
Range of meaning (TWOT 615a)vault; circle; circuit, compass
Full entry: Brown-Driver-Briggs and Strong's
חוּגnoun, masculine: vault
Strong's H2329חוּג: a circle KJV:circle, circuit, compass.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 615: חוּגḥûg — draw round, make a circle; describe a circle; compass