"四海" meaning in Vietnamese

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        "chữ Hán form of tứ hải.",
        "the world"
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          "_dis": "30 70",
          "kind": "place",
          "langcode": "vi",
          "name": "Seas",
          "orig": "vi:Seas",
          "parents": [
            "Bodies of water",
            "Places",
            "Landforms",
            "Water",
            "Names",
            "Earth",
            "Liquids",
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        "chữ Hán form of tứ hải.",
        "the four major seas where the four Dragon Kings reign"
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