{
    "term": "railroad",
    "partOfSpeech": "noun",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "a track with rails on which trains run",
            "labels": "British English also",
            "cefr": "b1",
            "examples": [
                {
                    "text": "railroad tracks"
                }
            ],
            "topics": ["Transport by bus and train"]
        },
        {
            "senseNumber": 2,
            "definition": "a system of tracks, together with the trains that run on them, and the organization and people needed to operate them",
            "examples": [
                {
                    "text": "This town got a lot bigger when the railroad came in the 1860s."
                }
            ]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈreɪlrəʊd/",
                "audio": "ra/railroad/railroad__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈreɪlrəʊd/",
                "audio": "ra/railroad/railroad__us_1.mp3"
            }
        ]
    },
    "wordOrigin": null
}