"knappable" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "knap",
        "3": "able"
      },
      "expansion": "knap + -able",
      "name": "suffix"
    }
  ],
  "etymology_text": "From knap + -able.",
  "forms": [
    {
      "form": "more knappable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most knappable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "knappable (comparative more knappable, superlative most knappable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -able",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2013, Robert Turner, Flint Knapping: A Guide to Making Your Own Stone Age Toolkit:",
          "text": "Very good knappable flint can be recovered from beaches but again test first to decide what is suitable.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Suitable for knapping."
      ],
      "id": "en-knappable-en-adj-WF80Hcjy"
    }
  ],
  "word": "knappable"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "knap",
        "3": "able"
      },
      "expansion": "knap + -able",
      "name": "suffix"
    }
  ],
  "etymology_text": "From knap + -able.",
  "forms": [
    {
      "form": "more knappable",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most knappable",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "knappable (comparative more knappable, superlative most knappable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -able",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2013, Robert Turner, Flint Knapping: A Guide to Making Your Own Stone Age Toolkit:",
          "text": "Very good knappable flint can be recovered from beaches but again test first to decide what is suitable.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Suitable for knapping."
      ]
    }
  ],
  "word": "knappable"
}