"grade crossing" meaning in English

{
  "forms": [
    {
      "form": "grade crossings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grade crossing (plural grade crossings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Roads",
          "orig": "en:Roads",
          "parents": [
            "Road transport",
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1969, United States Congress, Federal Railroad Safety Act of 1969:",
          "text": "In 1968 there were 1547 grade crossing fatalities. Two-thirds of the total fatalities associated with railroad operations occurred at grade crossings.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An at-grade crossing between a railroad line and an ordinary road, with tracks and road at the same level."
      ],
      "id": "en-grade_crossing-en-noun-tPmH5ETI",
      "links": [
        [
          "grade",
          "grade"
        ],
        [
          "railroad",
          "railroad"
        ],
        [
          "road",
          "road"
        ]
      ],
      "raw_glosses": [
        "(chiefly US) An at-grade crossing between a railroad line and an ordinary road, with tracks and road at the same level."
      ],
      "synonyms": [
        {
          "tags": [
            "UK"
          ],
          "word": "level crossing"
        }
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "grade crossing"
}

{
  "forms": [
    {
      "form": "grade crossings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grade crossing (plural grade crossings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Rail transportation",
        "en:Roads"
      ],
      "examples": [
        {
          "ref": "1969, United States Congress, Federal Railroad Safety Act of 1969:",
          "text": "In 1968 there were 1547 grade crossing fatalities. Two-thirds of the total fatalities associated with railroad operations occurred at grade crossings.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An at-grade crossing between a railroad line and an ordinary road, with tracks and road at the same level."
      ],
      "links": [
        [
          "grade",
          "grade"
        ],
        [
          "railroad",
          "railroad"
        ],
        [
          "road",
          "road"
        ]
      ],
      "raw_glosses": [
        "(chiefly US) An at-grade crossing between a railroad line and an ordinary road, with tracks and road at the same level."
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "UK"
      ],
      "word": "level crossing"
    }
  ],
  "word": "grade crossing"
}