"aere" meaning in Latin

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Latin",
      "orig": "latin",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en latin",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en latin à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Exegi monumentum aere perennius. (Horace, Ode III, 30, Iᵉʳ siècle av. J.-C.)"
        },
        {
          "text": "J’ai achevé un monument plus durable que l'airain."
        }
      ],
      "form_of": [
        {
          "word": "aes, aeris"
        }
      ],
      "glosses": [
        "Ablatif singulier de aes, aeris."
      ],
      "id": "fr-aere-la-noun-lly82XWp"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "aere"
}

{
  "categories": [
    "Formes de noms communs en latin",
    "latin"
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en latin",
        "Exemples en latin à traduire"
      ],
      "examples": [
        {
          "text": "Exegi monumentum aere perennius. (Horace, Ode III, 30, Iᵉʳ siècle av. J.-C.)"
        },
        {
          "text": "J’ai achevé un monument plus durable que l'airain."
        }
      ],
      "form_of": [
        {
          "word": "aes, aeris"
        }
      ],
      "glosses": [
        "Ablatif singulier de aes, aeris."
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "aere"
}