"fly belt" meaning in English

{
  "forms": [
    {
      "form": "fly belts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "fly belt (plural fly belts)",
      "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": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2007, Ethne Barnes, Diseases and Human Evolution, page 117:",
          "text": "For centuries human activities within the fly belt were limited because of the dreaded trypanosome infections.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A region where tsetse flies are to be found."
      ],
      "id": "en-fly_belt-en-noun-TNbK6U3a",
      "links": [
        [
          "region",
          "region"
        ],
        [
          "tsetse",
          "tsetse"
        ]
      ]
    }
  ],
  "word": "fly belt"
}

{
  "forms": [
    {
      "form": "fly belts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "fly belt (plural fly belts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2007, Ethne Barnes, Diseases and Human Evolution, page 117:",
          "text": "For centuries human activities within the fly belt were limited because of the dreaded trypanosome infections.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A region where tsetse flies are to be found."
      ],
      "links": [
        [
          "region",
          "region"
        ],
        [
          "tsetse",
          "tsetse"
        ]
      ]
    }
  ],
  "word": "fly belt"
}