"mesosaur" meaning in English

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        "2": "meso",
        "3": "saur"
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      "expansion": "meso- + -saur",
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  ],
  "etymology_text": "From meso- + -saur.",
  "forms": [
    {
      "form": "mesosaurs",
      "tags": [
        "plural"
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      "expansion": "mesosaur (plural mesosaurs)",
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  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Reptiles",
          "orig": "en:Reptiles",
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            "Chordates",
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        }
      ],
      "glosses": [
        "Any of a group of small aquatic reptiles, from the early Permian period, of the order Mesosauria."
      ],
      "id": "en-mesosaur-en-noun-~9tEASZg",
      "links": [
        [
          "aquatic",
          "aquatic"
        ],
        [
          "reptile",
          "reptile"
        ],
        [
          "Permian",
          "Permian"
        ]
      ]
    }
  ],
  "word": "mesosaur"
}

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    {
      "args": {
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        "2": "meso",
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  ],
  "etymology_text": "From meso- + -saur.",
  "forms": [
    {
      "form": "mesosaurs",
      "tags": [
        "plural"
      ]
    }
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      "expansion": "mesosaur (plural mesosaurs)",
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  "lang_code": "en",
  "pos": "noun",
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        "Any of a group of small aquatic reptiles, from the early Permian period, of the order Mesosauria."
      ],
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        [
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          "aquatic"
        ],
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          "reptile",
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          "Permian",
          "Permian"
        ]
      ]
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  ],
  "word": "mesosaur"
}