"atlantosaurid" meaning in English

{
  "forms": [
    {
      "form": "atlantosaurids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "atlantosaurid (plural atlantosaurids)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "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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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Sauropods",
          "orig": "en:Sauropods",
          "parents": [
            "Dinosaurs",
            "Reptiles",
            "Vertebrates",
            "Chordates",
            "Animals",
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            "Life",
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          "name": "Zoology",
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            "Biology",
            "Sciences",
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            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any dinosaur in the family Atlantosauridae, which is probably a synonym of the Diplodocidae."
      ],
      "id": "en-atlantosaurid-en-noun-8dUI3Dkd",
      "links": [
        [
          "zoology",
          "zoology"
        ],
        [
          "dinosaur",
          "dinosaur"
        ],
        [
          "family",
          "family"
        ],
        [
          "synonym",
          "synonym"
        ],
        [
          "Diplodocidae",
          "Diplodocidae#Translingual"
        ]
      ],
      "raw_glosses": [
        "(zoology) Any dinosaur in the family Atlantosauridae, which is probably a synonym of the Diplodocidae."
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "word": "atlantosaurid"
}

{
  "forms": [
    {
      "form": "atlantosaurids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "atlantosaurid (plural atlantosaurids)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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        "en:Sauropods",
        "en:Zoology"
      ],
      "glosses": [
        "Any dinosaur in the family Atlantosauridae, which is probably a synonym of the Diplodocidae."
      ],
      "links": [
        [
          "zoology",
          "zoology"
        ],
        [
          "dinosaur",
          "dinosaur"
        ],
        [
          "family",
          "family"
        ],
        [
          "synonym",
          "synonym"
        ],
        [
          "Diplodocidae",
          "Diplodocidae#Translingual"
        ]
      ],
      "raw_glosses": [
        "(zoology) Any dinosaur in the family Atlantosauridae, which is probably a synonym of the Diplodocidae."
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "word": "atlantosaurid"
}