This word has various meanings in the Bible.

  1. 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).

  2. a rock in the sea (Jonah 2:6)

  3. the shore of the sea (Job 38:10)

  4. strong fortifications and powerful impediments, etc. (Isaiah 45:2; Amos 1:5)

  5. defenses of a city (1 Kings 4:13)

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