"footroom" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "foot",
        "3": "room"
      },
      "expansion": "foot + room",
      "name": "compound"
    }
  ],
  "etymology_text": "foot + room",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "footroom (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "2012, Phil Edmonston, Lemon-Aid New Cars and Trucks 2013",
          "text": "Drivers say there's insufficient footroom; the brake and accelerator pedals are mounted too close to each other; narrow, poorly cushioned seats lack sufficient thigh support; […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Space for a person's feet, especially while seated."
      ],
      "id": "en-footroom-en-noun-lgfvbTZb",
      "links": [
        [
          "feet",
          "foot"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "_dis1": "98 2",
          "code": "fi",
          "lang": "Finnish",
          "sense": "space for a person's feet",
          "word": "jalkatila"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Signal processing",
          "orig": "en:Signal processing",
          "parents": [
            "Applied mathematics",
            "Telecommunications",
            "Mathematics",
            "Communication",
            "Technology",
            "Formal sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: headroom"
        },
        {
          "ref": "2000, Wolfgang Ahnert, Frank Steffen, Sound Reinforcement Engineering: Fundamentals and Practice, page 177",
          "text": "[…] the difference between signal-to-noise ratio and overload reserve (headroom) as well as noise (safety) margin (footroom).",
          "type": "quotation"
        },
        {
          "ref": "2012, Charles Poynton, Digital Video and HD: Algorithms and Interfaces, page 45",
          "text": "To accommodate footroom, the number representation must allow negative numbers.",
          "type": "quotation"
        },
        {
          "ref": "2017, Steve Wright, Digital Compositing for Film and Video",
          "text": "Footroom – the range of code values in the blacks of an image that encompass the variations in grain or noise.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Extra bandwidth for lower-than-expected values."
      ],
      "id": "en-footroom-en-noun-2RUXVE6k",
      "raw_glosses": [
        "(signal processing) Extra bandwidth for lower-than-expected values."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences",
        "signal-processing"
      ]
    }
  ],
  "word": "footroom"
}

{
  "categories": [
    "English compound terms",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncountable nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "foot",
        "3": "room"
      },
      "expansion": "foot + room",
      "name": "compound"
    }
  ],
  "etymology_text": "foot + room",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "footroom (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2012, Phil Edmonston, Lemon-Aid New Cars and Trucks 2013",
          "text": "Drivers say there's insufficient footroom; the brake and accelerator pedals are mounted too close to each other; narrow, poorly cushioned seats lack sufficient thigh support; […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Space for a person's feet, especially while seated."
      ],
      "links": [
        [
          "feet",
          "foot"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Signal processing"
      ],
      "examples": [
        {
          "text": "Coordinate term: headroom"
        },
        {
          "ref": "2000, Wolfgang Ahnert, Frank Steffen, Sound Reinforcement Engineering: Fundamentals and Practice, page 177",
          "text": "[…] the difference between signal-to-noise ratio and overload reserve (headroom) as well as noise (safety) margin (footroom).",
          "type": "quotation"
        },
        {
          "ref": "2012, Charles Poynton, Digital Video and HD: Algorithms and Interfaces, page 45",
          "text": "To accommodate footroom, the number representation must allow negative numbers.",
          "type": "quotation"
        },
        {
          "ref": "2017, Steve Wright, Digital Compositing for Film and Video",
          "text": "Footroom – the range of code values in the blacks of an image that encompass the variations in grain or noise.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Extra bandwidth for lower-than-expected values."
      ],
      "raw_glosses": [
        "(signal processing) Extra bandwidth for lower-than-expected values."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences",
        "signal-processing"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "space for a person's feet",
      "word": "jalkatila"
    }
  ],
  "word": "footroom"
}