"basepoint" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "base",
        "3": "point"
      },
      "expansion": "base + point",
      "name": "compound"
    }
  ],
  "etymology_text": "From base + point.",
  "forms": [
    {
      "form": "basepoints",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "basepoint (plural basepoints)",
      "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",
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          "source": "w"
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          "source": "w"
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          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A point that marks the beginning and the end of a topological loop"
      ],
      "id": "en-basepoint-en-noun-HCpttJ7E",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "point",
          "point"
        ],
        [
          "topological",
          "topological"
        ],
        [
          "loop",
          "loop"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A point that marks the beginning and the end of a topological loop"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "basepoint"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "base",
        "3": "point"
      },
      "expansion": "base + point",
      "name": "compound"
    }
  ],
  "etymology_text": "From base + point.",
  "forms": [
    {
      "form": "basepoints",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "basepoint (plural basepoints)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
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        "Pages with entries",
        "en:Mathematics"
      ],
      "glosses": [
        "A point that marks the beginning and the end of a topological loop"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "point",
          "point"
        ],
        [
          "topological",
          "topological"
        ],
        [
          "loop",
          "loop"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A point that marks the beginning and the end of a topological loop"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "basepoint"
}