"Helium" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "Heliumetic"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Termes littéraires en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Edgar Rice Burroughs, The Gods of Mars, Avant-propos, 1913",
          "text": "There is much which I have left out; much which I have not dared to tell; but you will find the story of his second search for Dejah Thoris, Princess of Helium, even more remarkable than was his first manuscript which I gave to an unbelieving world a short time since and through which we followed the fighting Virginian across dead sea bottoms under the moons of Mars."
        }
      ],
      "glosses": [
        "Hélium, puissante cité-état de Barsoom, la Mars fictive d’Edgar Rice Burroughs."
      ],
      "id": "fr-Helium-en-name-eqH~Oau9",
      "tags": [
        "literary"
      ]
    }
  ],
  "word": "Helium"
}

{
  "categories": [
    "Noms propres en anglais",
    "anglais"
  ],
  "derived": [
    {
      "word": "Heliumetic"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        "Exemples en anglais",
        "Exemples en anglais à traduire",
        "Termes littéraires en anglais"
      ],
      "examples": [
        {
          "ref": "Edgar Rice Burroughs, The Gods of Mars, Avant-propos, 1913",
          "text": "There is much which I have left out; much which I have not dared to tell; but you will find the story of his second search for Dejah Thoris, Princess of Helium, even more remarkable than was his first manuscript which I gave to an unbelieving world a short time since and through which we followed the fighting Virginian across dead sea bottoms under the moons of Mars."
        }
      ],
      "glosses": [
        "Hélium, puissante cité-état de Barsoom, la Mars fictive d’Edgar Rice Burroughs."
      ],
      "tags": [
        "literary"
      ]
    }
  ],
  "word": "Helium"
}