"Equus" meaning in Latin

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "h₁éḱwos"
      },
      "expansion": "PIE word\n *h₁éḱwos",
      "name": "PIE word"
    }
  ],
  "etymology_text": "PIE word\n *h₁éḱwos\nSpecial use of equus.",
  "forms": [
    {
      "form": "Equī",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "la-ndecl",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "Equus",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "Equī",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "Equō",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "Equum",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "Equō",
      "source": "declension",
      "tags": [
        "ablative",
        "singular"
      ]
    },
    {
      "form": "Eque",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "Equus<2>"
      },
      "expansion": "Equus m sg (genitive Equī); second declension",
      "name": "la-proper noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "Equus<2>"
      },
      "name": "la-ndecl"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin masculine nouns in the second declension",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "la",
          "name": "Constellations",
          "orig": "la:Constellations",
          "parents": [
            "Astronomy",
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The constellation Pegasus."
      ],
      "id": "en-Equus-la-name-zfkDHDo~",
      "links": [
        [
          "Pegasus",
          "Pegasus"
        ]
      ],
      "tags": [
        "declension-2",
        "masculine",
        "singular"
      ]
    }
  ],
  "word": "Equus"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "h₁éḱwos"
      },
      "expansion": "PIE word\n *h₁éḱwos",
      "name": "PIE word"
    }
  ],
  "etymology_text": "PIE word\n *h₁éḱwos\nSpecial use of equus.",
  "forms": [
    {
      "form": "Equī",
      "tags": [
        "genitive"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "declension",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "la-ndecl",
      "source": "declension",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "Equus",
      "source": "declension",
      "tags": [
        "nominative",
        "singular"
      ]
    },
    {
      "form": "Equī",
      "source": "declension",
      "tags": [
        "genitive",
        "singular"
      ]
    },
    {
      "form": "Equō",
      "source": "declension",
      "tags": [
        "dative",
        "singular"
      ]
    },
    {
      "form": "Equum",
      "source": "declension",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "Equō",
      "source": "declension",
      "tags": [
        "ablative",
        "singular"
      ]
    },
    {
      "form": "Eque",
      "source": "declension",
      "tags": [
        "singular",
        "vocative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "Equus<2>"
      },
      "expansion": "Equus m sg (genitive Equī); second declension",
      "name": "la-proper noun"
    }
  ],
  "inflection_templates": [
    {
      "args": {
        "1": "Equus<2>"
      },
      "name": "la-ndecl"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Latin entries with incorrect language header",
        "Latin lemmas",
        "Latin masculine nouns",
        "Latin masculine nouns in the second declension",
        "Latin nouns with red links in their inflection tables",
        "Latin proper nouns",
        "Latin second declension nouns",
        "Latin terms derived from the Proto-Indo-European word *h₁éḱwos",
        "Pages with 2 entries",
        "Pages with entries",
        "la:Constellations"
      ],
      "glosses": [
        "The constellation Pegasus."
      ],
      "links": [
        [
          "Pegasus",
          "Pegasus"
        ]
      ],
      "tags": [
        "declension-2",
        "masculine",
        "singular"
      ]
    }
  ],
  "word": "Equus"
}