"window-down" meaning in English

{
  "forms": [
    {
      "form": "window-downs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "window-down (plural window-downs)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2002, Ivor Miller, Aerosol kingdom: subway painters of New York City, page 195",
          "text": "To bomb the system is to saturate MTA subway cars with one's signatures. ln the 1980s, certain writers were identified as bombers because they had mastered all disciplines of the form: insides, throw-ups, window-downs, top-to-bottoms, […]",
          "type": "quotation"
        },
        {
          "ref": "2011, Don DeLillo, Underworld",
          "text": "They saw Rimester near a light tower, one of the older writers, a black guy wearing a kufi, a skullcap, who did amazing wildstyle window-downs, Ismael had to admit—the letters decorated with love poems and sentiments of heartbreak.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A piece of graffiti covering a train, etc. from the base of the window downward."
      ],
      "id": "en-window-down-en-noun-aNGhUV5B",
      "links": [
        [
          "graffiti",
          "graffiti"
        ],
        [
          "train",
          "train"
        ],
        [
          "window",
          "window"
        ],
        [
          "downward",
          "downward"
        ]
      ],
      "related": [
        {
          "word": "top-to-bottom"
        }
      ]
    }
  ],
  "word": "window-down"
}

{
  "forms": [
    {
      "form": "window-downs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "window-down (plural window-downs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "top-to-bottom"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2002, Ivor Miller, Aerosol kingdom: subway painters of New York City, page 195",
          "text": "To bomb the system is to saturate MTA subway cars with one's signatures. ln the 1980s, certain writers were identified as bombers because they had mastered all disciplines of the form: insides, throw-ups, window-downs, top-to-bottoms, […]",
          "type": "quotation"
        },
        {
          "ref": "2011, Don DeLillo, Underworld",
          "text": "They saw Rimester near a light tower, one of the older writers, a black guy wearing a kufi, a skullcap, who did amazing wildstyle window-downs, Ismael had to admit—the letters decorated with love poems and sentiments of heartbreak.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A piece of graffiti covering a train, etc. from the base of the window downward."
      ],
      "links": [
        [
          "graffiti",
          "graffiti"
        ],
        [
          "train",
          "train"
        ],
        [
          "window",
          "window"
        ],
        [
          "downward",
          "downward"
        ]
      ]
    }
  ],
  "word": "window-down"
}