"tri-tiered" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tri",
        "3": "tiered"
      },
      "expansion": "tri- + tiered",
      "name": "prefix"
    }
  ],
  "etymology_text": "tri- + tiered",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "tri-tiered (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "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 tri-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1999, Emmanuel K. Ngwainmbi, Exporting Communication Technology to Developing Countries, page 69",
          "text": "The architecture of the program will be tri-tiered; the global tier which connects major geographic regions, the regional tier which connects countries within a geographic region, and the domestic tier that will connect population centers within a country.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having three tiers."
      ],
      "id": "en-tri-tiered-en-adj-ENh39MZD",
      "links": [
        [
          "tier",
          "tier"
        ]
      ],
      "synonyms": [
        {
          "word": "three-tiered"
        }
      ],
      "tags": [
        "not-comparable",
        "rare"
      ]
    }
  ],
  "word": "tri-tiered"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tri",
        "3": "tiered"
      },
      "expansion": "tri- + tiered",
      "name": "prefix"
    }
  ],
  "etymology_text": "tri- + tiered",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "tri-tiered (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English rare terms",
        "English terms prefixed with tri-",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1999, Emmanuel K. Ngwainmbi, Exporting Communication Technology to Developing Countries, page 69",
          "text": "The architecture of the program will be tri-tiered; the global tier which connects major geographic regions, the regional tier which connects countries within a geographic region, and the domestic tier that will connect population centers within a country.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having three tiers."
      ],
      "links": [
        [
          "tier",
          "tier"
        ]
      ],
      "tags": [
        "not-comparable",
        "rare"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "three-tiered"
    }
  ],
  "word": "tri-tiered"
}