"aetiocetid" meaning in English

{
  "forms": [
    {
      "form": "aetiocetids",
      "tags": [
        "plural"
      ]
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  "head_templates": [
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      "args": {},
      "expansion": "aetiocetid (plural aetiocetids)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "source": "w"
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Whales",
          "orig": "en:Whales",
          "parents": [
            "Cetaceans",
            "Even-toed ungulates",
            "Mammals",
            "Vertebrates",
            "Chordates",
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          "source": "w"
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      "examples": [
        {
          "ref": "2016 November 30, Elsa Panciroli, “How did the whale get its 'moustache'?”, in The Guardian:",
          "text": "A 25-million-year-old fossil whale from Washington State, specimen NMV P252567 – or ‘Alfred’ to his friends – belongs to an extinct group of whales called aetiocetids.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A member of the extinct family of baleen whales Aetiocetidae."
      ],
      "id": "en-aetiocetid-en-noun-bHFFLt7P",
      "links": [
        [
          "baleen",
          "baleen"
        ],
        [
          "whale",
          "whale"
        ]
      ]
    }
  ],
  "word": "aetiocetid"
}

{
  "forms": [
    {
      "form": "aetiocetids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "aetiocetid (plural aetiocetids)",
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "2016 November 30, Elsa Panciroli, “How did the whale get its 'moustache'?”, in The Guardian:",
          "text": "A 25-million-year-old fossil whale from Washington State, specimen NMV P252567 – or ‘Alfred’ to his friends – belongs to an extinct group of whales called aetiocetids.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A member of the extinct family of baleen whales Aetiocetidae."
      ],
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        [
          "baleen",
          "baleen"
        ],
        [
          "whale",
          "whale"
        ]
      ]
    }
  ],
  "word": "aetiocetid"
}