"astern of" meaning in English

{
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      "args": {
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      "expansion": "astern of",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "astern of",
      "name": "en-prep"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "parents": [],
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nautical",
          "orig": "en:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The ship left a wake astern of her."
        }
      ],
      "glosses": [
        "behind"
      ],
      "id": "en-astern_of-en-prep-sbiGzl9X",
      "links": [
        [
          "nautical",
          "nautical"
        ]
      ],
      "raw_glosses": [
        "(nautical) behind"
      ],
      "topics": [
        "nautical",
        "transport"
      ],
      "translations": [
        {
          "code": "ar",
          "lang": "Arabic",
          "roman": "ḵalf",
          "sense": "behind (prep)",
          "word": "خَلْف"
        },
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "zad",
          "sense": "behind (prep)",
          "word": "зад"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "behind (prep)",
          "word": "takana"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "behind (prep)",
          "word": "taakse"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "behind (prep)",
          "word": "takaa"
        }
      ]
    }
  ],
  "word": "astern of"
}

{
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      "args": {
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      "expansion": "astern of",
      "name": "head"
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    {
      "args": {},
      "expansion": "astern of",
      "name": "en-prep"
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  "lang": "English",
  "lang_code": "en",
  "pos": "prep",
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        "Terms with Finnish translations",
        "en:Nautical"
      ],
      "examples": [
        {
          "text": "The ship left a wake astern of her."
        }
      ],
      "glosses": [
        "behind"
      ],
      "links": [
        [
          "nautical",
          "nautical"
        ]
      ],
      "raw_glosses": [
        "(nautical) behind"
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "translations": [
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "ḵalf",
      "sense": "behind (prep)",
      "word": "خَلْف"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "zad",
      "sense": "behind (prep)",
      "word": "зад"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "behind (prep)",
      "word": "takana"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "behind (prep)",
      "word": "taakse"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "behind (prep)",
      "word": "takaa"
    }
  ],
  "word": "astern of"
}