"sylva" meaning in English

{
  "forms": [
    {
      "form": "sylvas",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "sylvae",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "sylvae"
      },
      "expansion": "sylva (plural sylvas or sylvae)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "silva"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1854, Exploration of the Red River of Louisiana, in the Year 1852, page 42",
          "text": "A solitary cotton-wood, with an occasional clump of willows, constitute the sylva of this portion of the river.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of silva"
      ],
      "id": "en-sylva-en-noun-D~uDFXew",
      "links": [
        [
          "silva",
          "silva#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sylva"
}

{
  "forms": [
    {
      "form": "sylvas",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "sylvae",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "sylvae"
      },
      "expansion": "sylva (plural sylvas or sylvae)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "silva"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1854, Exploration of the Red River of Louisiana, in the Year 1852, page 42",
          "text": "A solitary cotton-wood, with an occasional clump of willows, constitute the sylva of this portion of the river.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of silva"
      ],
      "links": [
        [
          "silva",
          "silva#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "sylva"
}