"nebulæ" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Æ en anglais",
      "orig": "æ en anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "nebulae"
        }
      ],
      "glosses": [
        "Variante orthographique de nebulae."
      ],
      "id": "fr-nebulæ-en-noun-SwRstohG"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "nebulæ"
}

{
  "categories": [
    "Formes de noms communs en anglais",
    "anglais",
    "æ en anglais"
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "nebulae"
        }
      ],
      "glosses": [
        "Variante orthographique de nebulae."
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "nebulæ"
}