"bird point" meaning in English

{
  "forms": [
    {
      "form": "bird points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bird point (plural bird points)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Archaeology",
          "orig": "en:Archaeology",
          "parents": [
            "Anthropology",
            "Sciences",
            "Social sciences",
            "Zoology",
            "All topics",
            "Society",
            "Biology",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1997, Charles Frazier, “Ashes of Roses”, in Cold Mountain, New York: Atlantic:",
          "text": "She had watched the turned ground passing and had snatched up three partial arrowheads and a flint scraper and one fine complete bird point.",
          "type": "quote"
        },
        {
          "ref": "1999, Bob Rampani, “Yesterday In Bridgeton, Site #6”, in Central States Archaeological Journal, volume 46, number 1, pages 9-10:",
          "text": "Flint chips and flakes were scattered about. Here and there, every so often, one would find a point or blade. Occasionally, a tiny arrow-point (birdpoint) would surface.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A small flint arrowhead"
      ],
      "id": "en-bird_point-en-noun-GJYvfNq3",
      "links": [
        [
          "archaeology",
          "archaeology"
        ],
        [
          "arrowhead",
          "arrowhead"
        ]
      ],
      "raw_glosses": [
        "(US, archaeology) A small flint arrowhead"
      ],
      "synonyms": [
        {
          "word": "birdpoint"
        },
        {
          "word": "bird-point"
        }
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "archaeology",
        "history",
        "human-sciences",
        "sciences"
      ]
    }
  ],
  "word": "bird point"
}

{
  "forms": [
    {
      "form": "bird points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bird point (plural bird points)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Archaeology"
      ],
      "examples": [
        {
          "ref": "1997, Charles Frazier, “Ashes of Roses”, in Cold Mountain, New York: Atlantic:",
          "text": "She had watched the turned ground passing and had snatched up three partial arrowheads and a flint scraper and one fine complete bird point.",
          "type": "quote"
        },
        {
          "ref": "1999, Bob Rampani, “Yesterday In Bridgeton, Site #6”, in Central States Archaeological Journal, volume 46, number 1, pages 9-10:",
          "text": "Flint chips and flakes were scattered about. Here and there, every so often, one would find a point or blade. Occasionally, a tiny arrow-point (birdpoint) would surface.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A small flint arrowhead"
      ],
      "links": [
        [
          "archaeology",
          "archaeology"
        ],
        [
          "arrowhead",
          "arrowhead"
        ]
      ],
      "raw_glosses": [
        "(US, archaeology) A small flint arrowhead"
      ],
      "tags": [
        "US"
      ],
      "topics": [
        "archaeology",
        "history",
        "human-sciences",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "birdpoint"
    },
    {
      "word": "bird-point"
    }
  ],
  "word": "bird point"
}