"firebed" meaning in English

{
  "forms": [
    {
      "form": "firebeds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "firebed (plural firebeds)",
      "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": "1962 April, “Letters to the Editor: The Giesl oblong ejector”, in Modern Railways, page 286:",
          "text": "Another factor of great importance in everyday service is the degree to which the gas/steam ratio is influenced by growing firebed resistance, and this is again a matter in the hands of the designer if he kbows what to do about it. [...] poorer grades of coal require more air per unit of heat released as well as offering greater firebed resistance. [...] (Dr.) A. Giesl-Gieslingen, Vienna.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A layer of fuel that burns under a heat source"
      ],
      "id": "en-firebed-en-noun-MA3aIv0e",
      "links": [
        [
          "fuel",
          "fuel"
        ]
      ]
    }
  ],
  "word": "firebed"
}

{
  "forms": [
    {
      "form": "firebeds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "firebed (plural firebeds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1962 April, “Letters to the Editor: The Giesl oblong ejector”, in Modern Railways, page 286:",
          "text": "Another factor of great importance in everyday service is the degree to which the gas/steam ratio is influenced by growing firebed resistance, and this is again a matter in the hands of the designer if he kbows what to do about it. [...] poorer grades of coal require more air per unit of heat released as well as offering greater firebed resistance. [...] (Dr.) A. Giesl-Gieslingen, Vienna.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A layer of fuel that burns under a heat source"
      ],
      "links": [
        [
          "fuel",
          "fuel"
        ]
      ]
    }
  ],
  "word": "firebed"
}