"shortcode" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "short",
        "3": "code"
      },
      "expansion": "short + code",
      "name": "compound"
    }
  ],
  "etymology_text": "From short + code.",
  "forms": [
    {
      "form": "shortcodes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "shortcode (plural shortcodes)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Telephony",
          "orig": "en:Telephony",
          "parents": [
            "Electronics",
            "Telecommunications",
            "Technology",
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A special short telephone number for an SMS or MMS service, designed to be easier to remember."
      ],
      "id": "en-shortcode-en-noun-pQdFqey7",
      "links": [
        [
          "telephone number",
          "telephone number"
        ],
        [
          "SMS",
          "SMS"
        ],
        [
          "MMS",
          "MMS"
        ]
      ],
      "synonyms": [
        {
          "word": "short code"
        },
        {
          "word": "short-code"
        }
      ]
    }
  ],
  "word": "shortcode"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "short",
        "3": "code"
      },
      "expansion": "short + code",
      "name": "compound"
    }
  ],
  "etymology_text": "From short + code.",
  "forms": [
    {
      "form": "shortcodes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "shortcode (plural shortcodes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Pages with 1 entry",
        "en:Telephony"
      ],
      "glosses": [
        "A special short telephone number for an SMS or MMS service, designed to be easier to remember."
      ],
      "links": [
        [
          "telephone number",
          "telephone number"
        ],
        [
          "SMS",
          "SMS"
        ],
        [
          "MMS",
          "MMS"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "short code"
    },
    {
      "word": "short-code"
    }
  ],
  "word": "shortcode"
}