"fæces" meaning in French

{
  "head_templates": [
    {
      "args": {
        "1": "f-p"
      },
      "expansion": "fæces f pl (plural only)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "fèces"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Obsolete form of fèces."
      ],
      "id": "en-fæces-fr-noun-PGBamzmN",
      "links": [
        [
          "fèces",
          "fèces#French"
        ]
      ],
      "raw_glosses": [
        "(archaic) Obsolete form of fèces."
      ],
      "tags": [
        "alt-of",
        "archaic",
        "feminine",
        "obsolete",
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "fæces"
}

{
  "head_templates": [
    {
      "args": {
        "1": "f-p"
      },
      "expansion": "fæces f pl (plural only)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "fèces"
        }
      ],
      "categories": [
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French nouns",
        "French obsolete forms",
        "French pluralia tantum",
        "French terms spelled with Æ",
        "French terms with archaic senses"
      ],
      "glosses": [
        "Obsolete form of fèces."
      ],
      "links": [
        [
          "fèces",
          "fèces#French"
        ]
      ],
      "raw_glosses": [
        "(archaic) Obsolete form of fèces."
      ],
      "tags": [
        "alt-of",
        "archaic",
        "feminine",
        "obsolete",
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "fæces"
}