"falling-off" meaning in English

{
  "forms": [
    {
      "form": "fallings-off",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fallings-off"
      },
      "expansion": "falling-off (plural fallings-off)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1962 April, “Talking of Trains: Disappointing statistics”, in Modern Railways, page 221",
          "text": "By and large, there was no great improvement over 1960 and even some falling-off, [...].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A decrease in something, such as demand."
      ],
      "id": "en-falling-off-en-noun-A75Rci56",
      "synonyms": [
        {
          "word": "fall-off"
        }
      ]
    }
  ],
  "word": "falling-off"
}

{
  "forms": [
    {
      "form": "fallings-off",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fallings-off"
      },
      "expansion": "falling-off (plural fallings-off)",
      "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 nouns with irregular plurals",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1962 April, “Talking of Trains: Disappointing statistics”, in Modern Railways, page 221",
          "text": "By and large, there was no great improvement over 1960 and even some falling-off, [...].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A decrease in something, such as demand."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "fall-off"
    }
  ],
  "word": "falling-off"
}