"Z-bed" meaning in English

{
  "forms": [
    {
      "form": "Z-beds",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "zed-bed",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Z-bed (plural Z-beds)",
      "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": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English rhyming compounds",
          "parents": [
            "Rhyming compounds",
            "Compound terms",
            "Rhyming phrases",
            "Terms by etymology",
            "Phrases",
            "Lemmas",
            "Multiword terms"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A portable bed that folds into a Z shape."
      ],
      "id": "en-Z-bed-en-noun-Hr98BXYg",
      "links": [
        [
          "portable",
          "portable"
        ],
        [
          "bed",
          "bed"
        ]
      ]
    }
  ],
  "word": "Z-bed"
}

{
  "forms": [
    {
      "form": "Z-beds",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "zed-bed",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Z-bed (plural Z-beds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English rhyming compounds",
        "English terms derived from the shape of letters",
        "English terms with non-redundant non-automated sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A portable bed that folds into a Z shape."
      ],
      "links": [
        [
          "portable",
          "portable"
        ],
        [
          "bed",
          "bed"
        ]
      ]
    }
  ],
  "word": "Z-bed"
}