"multitiers" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "multi",
        "3": "tiers"
      },
      "expansion": "multi- + tiers",
      "name": "prefix"
    }
  ],
  "etymology_text": "multi- + tiers",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "multitiers pl (plural only)",
      "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 pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with multi-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2000, Alan W. Brown, Large-scale, Component-based Development, page 50",
          "text": "These n-tier solutions introduce additional management challenges of the multitiers, but solve many issues with respect to performance, flexibility, and evolution of the systems.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Multiple tiers."
      ],
      "id": "en-multitiers-en-noun-UuF12Fre",
      "links": [
        [
          "Multiple",
          "multiple"
        ],
        [
          "tier",
          "tier"
        ]
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "multitiers"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "multi",
        "3": "tiers"
      },
      "expansion": "multi- + tiers",
      "name": "prefix"
    }
  ],
  "etymology_text": "multi- + tiers",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "multitiers pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English pluralia tantum",
        "English terms prefixed with multi-",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2000, Alan W. Brown, Large-scale, Component-based Development, page 50",
          "text": "These n-tier solutions introduce additional management challenges of the multitiers, but solve many issues with respect to performance, flexibility, and evolution of the systems.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Multiple tiers."
      ],
      "links": [
        [
          "Multiple",
          "multiple"
        ],
        [
          "tier",
          "tier"
        ]
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "multitiers"
}