"flat-heeled" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "flat-heeled (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "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 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Footwear",
          "orig": "en:Footwear",
          "parents": [
            "Clothing",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, →OCLC, page 128:",
          "text": "Recovered from reverie, Miss Marley joined him, coming cautiously over the rocks in her flat-heeled shoes, and skimping back her frock a little to mark her step.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of footwear, having very low heels so that the foot is almost parallel to the ground; low-heeled."
      ],
      "id": "en-flat-heeled-en-adj-KAUt5IMQ",
      "links": [
        [
          "low-heeled",
          "low-heeled"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "flat-heeled"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "flat-heeled (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Footwear"
      ],
      "examples": [
        {
          "ref": "1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, →OCLC, page 128:",
          "text": "Recovered from reverie, Miss Marley joined him, coming cautiously over the rocks in her flat-heeled shoes, and skimping back her frock a little to mark her step.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of footwear, having very low heels so that the foot is almost parallel to the ground; low-heeled."
      ],
      "links": [
        [
          "low-heeled",
          "low-heeled"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "flat-heeled"
}