"rush-hour" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "rush-hour (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"
        }
      ],
      "examples": [
        {
          "text": "The rush-hour trains are normally extremely busy.",
          "type": "example"
        },
        {
          "ref": "1961 October, “The winter timetables of British Railways: Southern Region”, in Trains Illustrated, pages 593–594",
          "text": "An extra rush-hour train has eased overcrowding of the former 5.39 p.m. to Salisbury; this now leaves at 5.43 and an additional electric service to Alton departs at 5.39 p.m.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of or pertaining to the rush hour."
      ],
      "id": "en-rush-hour-en-adj-b5-HMLA6",
      "links": [
        [
          "rush hour",
          "rush hour"
        ]
      ],
      "related": [
        {
          "word": "rush hour"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "rush-hour"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "rush-hour (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "rush hour"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English terms with usage examples",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "text": "The rush-hour trains are normally extremely busy.",
          "type": "example"
        },
        {
          "ref": "1961 October, “The winter timetables of British Railways: Southern Region”, in Trains Illustrated, pages 593–594",
          "text": "An extra rush-hour train has eased overcrowding of the former 5.39 p.m. to Salisbury; this now leaves at 5.43 and an additional electric service to Alton departs at 5.39 p.m.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of or pertaining to the rush hour."
      ],
      "links": [
        [
          "rush hour",
          "rush hour"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "rush-hour"
}