"bootlast" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "boot",
        "3": "last"
      },
      "expansion": "boot + last",
      "name": "compound"
    }
  ],
  "etymology_text": "From boot + last.",
  "forms": [
    {
      "form": "bootlasts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bootlast (plural bootlasts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "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"
        }
      ],
      "glosses": [
        "Synonym of last (“tool for preserving the shape of a shoe”)"
      ],
      "id": "en-bootlast-en-noun-AfPoNVJk",
      "links": [
        [
          "last",
          "last#English"
        ]
      ],
      "synonyms": [
        {
          "extra": "tool for preserving the shape of a shoe",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "last"
        }
      ]
    }
  ],
  "word": "bootlast"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "boot",
        "3": "last"
      },
      "expansion": "boot + last",
      "name": "compound"
    }
  ],
  "etymology_text": "From boot + last.",
  "forms": [
    {
      "form": "bootlasts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bootlast (plural bootlasts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Synonym of last (“tool for preserving the shape of a shoe”)"
      ],
      "links": [
        [
          "last",
          "last#English"
        ]
      ],
      "synonyms": [
        {
          "extra": "tool for preserving the shape of a shoe",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "last"
        }
      ]
    }
  ],
  "word": "bootlast"
}