"Caspian tern" meaning in English

{
  "forms": [
    {
      "form": "Caspian terns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "Caspian tern (plural Caspian terns)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dhivehi terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "kind": "other",
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Terns",
          "orig": "en:Terns",
          "parents": [
            "Seabirds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A widely distributed species of tern, Hydroprogne caspia syn. Hydroprogne tschegrava."
      ],
      "id": "en-Caspian_tern-en-noun-Pur4nhk7",
      "links": [
        [
          "tern",
          "tern"
        ],
        [
          "Hydroprogne caspia",
          "Hydroprogne caspia#Translingual"
        ],
        [
          "Hydroprogne tschegrava",
          "Hydroprogne tschegrava"
        ]
      ],
      "translations": [
        {
          "code": "dv",
          "lang": "Dhivehi",
          "roman": "miyaremu dūni",
          "sense": "Hydroprogne caspia",
          "word": "މިޔަރެމު ދޫނި"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "Hydroprogne caspia",
          "tags": [
            "masculine"
          ],
          "word": "reuzenstern"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Hydroprogne caspia",
          "word": "räyskä"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "čegráva",
          "sense": "Hydroprogne caspia",
          "tags": [
            "feminine"
          ],
          "word": "чегра́ва"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "Hydroprogne caspia",
          "tags": [
            "common-gender"
          ],
          "word": "skräntärna"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "Hydroprogne caspia",
          "word": "Hazar sumrusu"
        }
      ],
      "wikipedia": [
        "Caspian Tern"
      ]
    }
  ],
  "word": "Caspian tern"
}

{
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    {
      "form": "Caspian terns",
      "tags": [
        "plural"
      ]
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  ],
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      "expansion": "Caspian tern (plural Caspian terns)",
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "Dhivehi terms with redundant script codes",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Terns"
      ],
      "glosses": [
        "A widely distributed species of tern, Hydroprogne caspia syn. Hydroprogne tschegrava."
      ],
      "links": [
        [
          "tern",
          "tern"
        ],
        [
          "Hydroprogne caspia",
          "Hydroprogne caspia#Translingual"
        ],
        [
          "Hydroprogne tschegrava",
          "Hydroprogne tschegrava"
        ]
      ],
      "wikipedia": [
        "Caspian Tern"
      ]
    }
  ],
  "translations": [
    {
      "code": "dv",
      "lang": "Dhivehi",
      "roman": "miyaremu dūni",
      "sense": "Hydroprogne caspia",
      "word": "މިޔަރެމު ދޫނި"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "Hydroprogne caspia",
      "tags": [
        "masculine"
      ],
      "word": "reuzenstern"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Hydroprogne caspia",
      "word": "räyskä"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "čegráva",
      "sense": "Hydroprogne caspia",
      "tags": [
        "feminine"
      ],
      "word": "чегра́ва"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "Hydroprogne caspia",
      "tags": [
        "common-gender"
      ],
      "word": "skräntärna"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "Hydroprogne caspia",
      "word": "Hazar sumrusu"
    }
  ],
  "word": "Caspian tern"
}