"mockup" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mock up"
      },
      "expansion": "Deverbal from mock up",
      "name": "deverbal"
    },
    {
      "args": {
        "1": "en",
        "2": "mock-up#Etymology"
      },
      "expansion": "mock-up",
      "name": "m"
    }
  ],
  "etymology_text": "Deverbal from mock up; see historical details at mock-up.",
  "forms": [
    {
      "form": "mockups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mockup (plural mockups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "mock-up"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English deverbals",
          "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": "English links with manual fragments",
          "parents": [
            "Links with manual fragments",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of mock-up."
      ],
      "id": "en-mockup-en-noun-lruCzY2S",
      "links": [
        [
          "mock-up",
          "mock-up#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "mockup"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mock up"
      },
      "expansion": "Deverbal from mock up",
      "name": "deverbal"
    },
    {
      "args": {
        "1": "en",
        "2": "mock-up#Etymology"
      },
      "expansion": "mock-up",
      "name": "m"
    }
  ],
  "etymology_text": "Deverbal from mock up; see historical details at mock-up.",
  "forms": [
    {
      "form": "mockups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mockup (plural mockups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "mock-up"
        }
      ],
      "categories": [
        "English countable nouns",
        "English deverbals",
        "English entries with incorrect language header",
        "English lemmas",
        "English links with manual fragments",
        "English nouns"
      ],
      "glosses": [
        "Alternative spelling of mock-up."
      ],
      "links": [
        [
          "mock-up",
          "mock-up#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "mockup"
}