"tool stone" meaning in English

{
  "forms": [
    {
      "form": "tool stones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tool stone (plural tool stones)",
      "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"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Archaeology",
          "orig": "en:Archaeology",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Rocks",
          "orig": "en:Rocks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Tools",
          "orig": "en:Tools",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A stone used to manufacture other stone tools"
      ],
      "id": "en-tool_stone-en-noun-QeggrE2H",
      "links": [
        [
          "archaeology",
          "archaeology"
        ],
        [
          "stone",
          "stone"
        ],
        [
          "tool",
          "tool"
        ]
      ],
      "raw_glosses": [
        "(archaeology) A stone used to manufacture other stone tools"
      ],
      "topics": [
        "archaeology",
        "history",
        "human-sciences",
        "sciences"
      ],
      "wikipedia": [
        "tool stone"
      ]
    }
  ],
  "word": "tool stone"
}

{
  "forms": [
    {
      "form": "tool stones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tool stone (plural tool stones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:English/əʊn",
        "Rhymes:English/əʊn/2 syllables",
        "en:Archaeology",
        "en:Rocks",
        "en:Tools"
      ],
      "glosses": [
        "A stone used to manufacture other stone tools"
      ],
      "links": [
        [
          "archaeology",
          "archaeology"
        ],
        [
          "stone",
          "stone"
        ],
        [
          "tool",
          "tool"
        ]
      ],
      "raw_glosses": [
        "(archaeology) A stone used to manufacture other stone tools"
      ],
      "topics": [
        "archaeology",
        "history",
        "human-sciences",
        "sciences"
      ],
      "wikipedia": [
        "tool stone"
      ]
    }
  ],
  "word": "tool stone"
}