"excsc" meaning in English

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      "expansion": "excsc",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "excosecant"
        }
      ],
      "categories": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Trigonometry",
          "orig": "en:Trigonometry",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of excosecant."
      ],
      "id": "en-excsc-en-noun-lq~lwQtN",
      "links": [
        [
          "trigonometry",
          "trigonometry"
        ],
        [
          "excosecant",
          "excosecant#English"
        ]
      ],
      "raw_glosses": [
        "(trigonometry) Abbreviation of excosecant."
      ],
      "related": [
        {
          "word": "exsec"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of"
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      "topics": [
        "mathematics",
        "sciences",
        "trigonometry"
      ]
    }
  ],
  "word": "excsc"
}

{
  "head_templates": [
    {
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        "1": "?"
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      "expansion": "excsc",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "exsec"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "excosecant"
        }
      ],
      "categories": [
        "English abbreviations",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "en:Trigonometry"
      ],
      "glosses": [
        "Abbreviation of excosecant."
      ],
      "links": [
        [
          "trigonometry",
          "trigonometry"
        ],
        [
          "excosecant",
          "excosecant#English"
        ]
      ],
      "raw_glosses": [
        "(trigonometry) Abbreviation of excosecant."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "trigonometry"
      ]
    }
  ],
  "word": "excsc"
}