"semilength" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "semi",
        "3": "length"
      },
      "expansion": "semi- + length",
      "name": "prefix"
    }
  ],
  "etymology_text": "From semi- + length.",
  "forms": [
    {
      "form": "semilengths",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "semilength (plural semilengths)",
      "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": "English terms prefixed with semi-",
          "parents": [],
          "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": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The value of n for a Dyck path that begins at the origin (0,0) and ends at the coordinate (2n,0)."
      ],
      "id": "en-semilength-en-noun-e-ju2305",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "Dyck path",
          "Dyck path"
        ],
        [
          "origin",
          "origin"
        ],
        [
          "coordinate",
          "coordinate"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The value of n for a Dyck path that begins at the origin (0,0) and ends at the coordinate (2n,0)."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "semilength"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "semi",
        "3": "length"
      },
      "expansion": "semi- + length",
      "name": "prefix"
    }
  ],
  "etymology_text": "From semi- + length.",
  "forms": [
    {
      "form": "semilengths",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "semilength (plural semilengths)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with semi-",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Mathematics"
      ],
      "glosses": [
        "The value of n for a Dyck path that begins at the origin (0,0) and ends at the coordinate (2n,0)."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "Dyck path",
          "Dyck path"
        ],
        [
          "origin",
          "origin"
        ],
        [
          "coordinate",
          "coordinate"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The value of n for a Dyck path that begins at the origin (0,0) and ends at the coordinate (2n,0)."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "semilength"
}