"sling blade" meaning in English

{
  "forms": [
    {
      "form": "sling blades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sling blade (plural sling blades)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A heavy, hooked blade affixed to a long handle (like an axe), with one or both edges sharpened."
      ],
      "id": "en-sling_blade-en-noun-mXCTY3Dh",
      "links": [
        [
          "axe",
          "axe"
        ]
      ],
      "related": [
        {
          "word": "billhook"
        }
      ],
      "synonyms": [
        {
          "word": "brush hook"
        },
        {
          "word": "Kaiser blade"
        }
      ]
    }
  ],
  "word": "sling blade"
}

{
  "forms": [
    {
      "form": "sling blades",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sling blade (plural sling blades)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "billhook"
    }
  ],
  "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"
      ],
      "glosses": [
        "A heavy, hooked blade affixed to a long handle (like an axe), with one or both edges sharpened."
      ],
      "links": [
        [
          "axe",
          "axe"
        ]
      ],
      "synonyms": [
        {
          "word": "brush hook"
        },
        {
          "word": "Kaiser blade"
        }
      ]
    }
  ],
  "word": "sling blade"
}