"anœstrus" meaning in English

{
  "etymology_templates": [
    {
      "args": {
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        "2": "an",
        "3": "œstrus"
      },
      "expansion": "an- + œstrus",
      "name": "prefix"
    }
  ],
  "etymology_text": "From an- + œstrus.",
  "head_templates": [
    {
      "args": {
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      "expansion": "anœstrus (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "anestrus"
        }
      ],
      "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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          "kind": "other",
          "name": "English terms prefixed with an-",
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          "source": "w"
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        {
          "kind": "other",
          "name": "Pages with 2 entries",
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      ],
      "glosses": [
        "Obsolete form of anestrus."
      ],
      "id": "en-anœstrus-en-noun-lxINP8yB",
      "links": [
        [
          "anestrus",
          "anestrus#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete",
        "uncountable"
      ]
    }
  ],
  "word": "anœstrus"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "an",
        "3": "œstrus"
      },
      "expansion": "an- + œstrus",
      "name": "prefix"
    }
  ],
  "etymology_text": "From an- + œstrus.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "anœstrus (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "anestrus"
        }
      ],
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        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English obsolete forms",
        "English terms prefixed with an-",
        "English terms spelled with Œ",
        "English uncountable nouns",
        "Pages with 2 entries"
      ],
      "glosses": [
        "Obsolete form of anestrus."
      ],
      "links": [
        [
          "anestrus",
          "anestrus#English"
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      "tags": [
        "alt-of",
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    }
  ],
  "word": "anœstrus"
}