"lump hammer" meaning in English

{
  "forms": [
    {
      "form": "lump hammers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lump hammer (plural lump hammers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Terms with Catalan translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Dutch translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Greek translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Turkish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 May 20, Philip Haigh, “Ribblehead: at the heart of the S&C's survival and its revival: Ribblehead Viaduct repairs”, in Rail, page 27:",
          "text": "Where there is loose mortar or mortar loss highlighted, the area will be prepared using lump hammers, plugging chisels, and scutcheon pick hammers before a standard mortar mix is used.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A small sledgehammer, intended for single-handed use."
      ],
      "id": "en-lump_hammer-en-noun-48lAjV0-",
      "links": [
        [
          "sledgehammer",
          "sledgehammer#English"
        ]
      ],
      "synonyms": [
        {
          "word": "drilling hammer"
        },
        {
          "word": "club hammer"
        },
        {
          "word": "crack hammer"
        }
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "small sledgehammer",
          "tags": [
            "feminine"
          ],
          "word": "maceta"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "small sledgehammer",
          "tags": [
            "masculine"
          ],
          "word": "moker"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "small sledgehammer",
          "word": "moska"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "matrakás",
          "sense": "small sledgehammer",
          "tags": [
            "masculine"
          ],
          "word": "ματρακάς"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "small sledgehammer",
          "word": "madırga"
        }
      ]
    }
  ],
  "word": "lump hammer"
}

{
  "forms": [
    {
      "form": "lump hammers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lump hammer (plural lump hammers)",
      "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",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Catalan translations",
        "Terms with Dutch translations",
        "Terms with Finnish translations",
        "Terms with Greek translations",
        "Terms with Turkish translations"
      ],
      "examples": [
        {
          "ref": "2020 May 20, Philip Haigh, “Ribblehead: at the heart of the S&C's survival and its revival: Ribblehead Viaduct repairs”, in Rail, page 27:",
          "text": "Where there is loose mortar or mortar loss highlighted, the area will be prepared using lump hammers, plugging chisels, and scutcheon pick hammers before a standard mortar mix is used.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A small sledgehammer, intended for single-handed use."
      ],
      "links": [
        [
          "sledgehammer",
          "sledgehammer#English"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "drilling hammer"
    },
    {
      "word": "club hammer"
    },
    {
      "word": "crack hammer"
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "small sledgehammer",
      "tags": [
        "feminine"
      ],
      "word": "maceta"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "small sledgehammer",
      "tags": [
        "masculine"
      ],
      "word": "moker"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "small sledgehammer",
      "word": "moska"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "matrakás",
      "sense": "small sledgehammer",
      "tags": [
        "masculine"
      ],
      "word": "ματρακάς"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "small sledgehammer",
      "word": "madırga"
    }
  ],
  "word": "lump hammer"
}