"swing saw" meaning in English

{
  "forms": [
    {
      "form": "swing saws",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "swing saw (plural swing saws)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1992 July, Popular Mechanics, volume 38, number 1, page 85",
          "text": "A novel safeguard for a swing saw, in use at a New York factory, consists of an automatic guard for the front of the saw the incloses that part of the saw after it has passed through the sawn material.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of pendulum saw"
      ],
      "id": "en-swing_saw-en-noun-ouZxT9Wj",
      "links": [
        [
          "pendulum saw",
          "pendulum saw#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "pendulum saw"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɔː"
    }
  ],
  "word": "swing saw"
}

{
  "forms": [
    {
      "form": "swing saws",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "swing saw (plural swing saws)",
      "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",
        "Rhymes:English/ɔː",
        "Rhymes:English/ɔː/2 syllables"
      ],
      "examples": [
        {
          "ref": "1992 July, Popular Mechanics, volume 38, number 1, page 85",
          "text": "A novel safeguard for a swing saw, in use at a New York factory, consists of an automatic guard for the front of the saw the incloses that part of the saw after it has passed through the sawn material.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of pendulum saw"
      ],
      "links": [
        [
          "pendulum saw",
          "pendulum saw#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "pendulum saw"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɔː"
    }
  ],
  "word": "swing saw"
}