"Aztec rail" meaning in English

{
  "forms": [
    {
      "form": "Aztec rails",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Aztec rail (plural Aztec rails)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Classical Nahuatl translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Rallids",
          "orig": "en:Rallids",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A bird of species Rallus tenuirostris."
      ],
      "id": "en-Aztec_rail-en-noun-hS6h0dmZ",
      "synonyms": [
        {
          "word": "Mexican rail"
        }
      ],
      "translations": [
        {
          "code": "nci",
          "lang": "Classical Nahuatl",
          "sense": "Rallus tenuirostris",
          "word": "cohuīxin"
        }
      ],
      "wikipedia": [
        "Aztec rail"
      ]
    }
  ],
  "word": "Aztec rail"
}

{
  "forms": [
    {
      "form": "Aztec rails",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Aztec rail (plural Aztec rails)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (species)",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Classical Nahuatl translations",
        "en:Rallids"
      ],
      "glosses": [
        "A bird of species Rallus tenuirostris."
      ],
      "synonyms": [
        {
          "word": "Mexican rail"
        }
      ],
      "wikipedia": [
        "Aztec rail"
      ]
    }
  ],
  "translations": [
    {
      "code": "nci",
      "lang": "Classical Nahuatl",
      "sense": "Rallus tenuirostris",
      "word": "cohuīxin"
    }
  ],
  "word": "Aztec rail"
}