"steam radio" meaning in English

{
  "etymology_text": "The phrase originated in Britain when television was beginning to take over from radio and steam locomotives were giving way to diesel and electric ones.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "steam radio (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Radio (sound broadcasting), considered as old-fashioned compared to television."
      ],
      "id": "en-steam_radio-en-noun-YGR~mYzz",
      "links": [
        [
          "sound",
          "sound"
        ],
        [
          "broadcasting",
          "broadcasting"
        ],
        [
          "television",
          "television"
        ]
      ],
      "raw_glosses": [
        "(chiefly British, informal) Radio (sound broadcasting), considered as old-fashioned compared to television."
      ],
      "tags": [
        "British",
        "informal",
        "uncountable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "informal: sound broadcasting",
          "word": "höyryradio"
        }
      ]
    }
  ],
  "word": "steam radio"
}

{
  "etymology_text": "The phrase originated in Britain when television was beginning to take over from radio and steam locomotives were giving way to diesel and electric ones.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "steam radio (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns"
      ],
      "glosses": [
        "Radio (sound broadcasting), considered as old-fashioned compared to television."
      ],
      "links": [
        [
          "sound",
          "sound"
        ],
        [
          "broadcasting",
          "broadcasting"
        ],
        [
          "television",
          "television"
        ]
      ],
      "raw_glosses": [
        "(chiefly British, informal) Radio (sound broadcasting), considered as old-fashioned compared to television."
      ],
      "tags": [
        "British",
        "informal",
        "uncountable"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "informal: sound broadcasting",
      "word": "höyryradio"
    }
  ],
  "word": "steam radio"
}