bar
This word has various meanings in the Bible.
used to denote the means by which a door is bolted (Neh. 3:3)
A bar for a door was of iron (Isaiah 45:2), brass (Psalm 107:16), or wood (Nahum 3:13).
strong fortifications and powerful impediments, etc. (Isaiah 45:2; Amos 1:5)
defenses of a city (1 Kings 4:13)
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