"aestro" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "aestro",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "oestrum"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              83,
              88
            ]
          ],
          "ref": "1734, Jonathan Richardson, Explanatory Notes on Milton's Paradise Lost, London: Knapton, page cxiv:",
          "text": "[…]at Other times flow'd Eaſy his Unpremeditated Verſe, with a certain Impetus and Æſtro, as Himſelf ſeem'd to Believe.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of oestrum."
      ],
      "id": "en-aestro-en-noun-HAw3hnOE",
      "links": [
        [
          "oestrum",
          "oestrum#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "aestro"
}

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "aestro",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "oestrum"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              83,
              88
            ]
          ],
          "ref": "1734, Jonathan Richardson, Explanatory Notes on Milton's Paradise Lost, London: Knapton, page cxiv:",
          "text": "[…]at Other times flow'd Eaſy his Unpremeditated Verſe, with a certain Impetus and Æſtro, as Himſelf ſeem'd to Believe.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of oestrum."
      ],
      "links": [
        [
          "oestrum",
          "oestrum#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "aestro"
}