"back porch" meaning in English

{
  "forms": [
    {
      "form": "back porches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back porch (plural back porches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "58 42",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "70 30",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A porch at the rear of a building."
      ],
      "id": "en-back_porch-en-noun-W7HOLzV6",
      "links": [
        [
          "porch",
          "porch"
        ],
        [
          "building",
          "building"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "95 5",
          "word": "backporch"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Television",
          "orig": "en:Television",
          "parents": [
            "Broadcasting",
            "Mass media",
            "Media",
            "Telecommunications",
            "Culture",
            "Communication",
            "Technology",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "55 45",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The portion of each scan line between the end (rising edge) of the horizontal sync pulse and the start of active video, used to restore the black level reference in analog video."
      ],
      "id": "en-back_porch-en-noun-0i4htwU4",
      "links": [
        [
          "television",
          "television"
        ],
        [
          "scan line",
          "scan line"
        ]
      ],
      "raw_glosses": [
        "(television) The portion of each scan line between the end (rising edge) of the horizontal sync pulse and the start of active video, used to restore the black level reference in analog video."
      ],
      "topics": [
        "broadcasting",
        "media",
        "television"
      ]
    }
  ],
  "word": "back porch"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "back porches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "back porch (plural back porches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A porch at the rear of a building."
      ],
      "links": [
        [
          "porch",
          "porch"
        ],
        [
          "building",
          "building"
        ]
      ]
    },
    {
      "categories": [
        "en:Television"
      ],
      "glosses": [
        "The portion of each scan line between the end (rising edge) of the horizontal sync pulse and the start of active video, used to restore the black level reference in analog video."
      ],
      "links": [
        [
          "television",
          "television"
        ],
        [
          "scan line",
          "scan line"
        ]
      ],
      "raw_glosses": [
        "(television) The portion of each scan line between the end (rising edge) of the horizontal sync pulse and the start of active video, used to restore the black level reference in analog video."
      ],
      "topics": [
        "broadcasting",
        "media",
        "television"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "backporch"
    }
  ],
  "word": "back porch"
}