"proctodæum" meaning in English

{
  "forms": [
    {
      "form": "proctodæums",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "proctodæa",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "proctodæa"
      },
      "expansion": "proctodæum (plural proctodæums or proctodæa)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "proctodeum"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Obsolete form of proctodeum."
      ],
      "id": "en-proctodæum-en-noun-LS6pqd7p",
      "links": [
        [
          "proctodeum",
          "proctodeum#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "word": "proctodæum"
}

{
  "forms": [
    {
      "form": "proctodæums",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "proctodæa",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "proctodæa"
      },
      "expansion": "proctodæum (plural proctodæums or proctodæa)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "proctodeum"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English obsolete forms",
        "English terms spelled with Æ",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Obsolete form of proctodeum."
      ],
      "links": [
        [
          "proctodeum",
          "proctodeum#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "word": "proctodæum"
}