{
    "term": "tunnel",
    "partOfSpeech": "noun",
    "ox3000": true,
    "cefr": "b2",
    "definitions": [
        {
            "senseNumber": 1,
            "definition": "a passage built underground, for example to allow a road or railway to go through a hill, under a river, etc.",
            "cefr": "b2",
            "ox3000": true,
            "examples": [
                {
                    "text": "a railway/railroad tunnel"
                },
                {
                    "text": "the Channel Tunnel"
                },
                {
                    "text": "the tunnel entrance/walls/ceiling"
                },
                {
                    "text": "They have been digging underground tunnels in the mountains since the 1960s."
                },
                {
                    "text": "A gust of wind passed through the tunnel."
                },
                {
                    "text": "A service tunnel runs between the two buildings."
                },
                {
                    "text": "The initial section of tunnel had to be dug by hand."
                },
                {
                    "text": "The train disappeared into a tunnel."
                },
                {
                    "text": "They've built a new tunnel through the mountain."
                },
                {
                    "text": "We got lost in the maze of tunnels."
                }
            ],
            "topics": ["Transport by bus and train", "Transport by car or lorry"],
            "collocations": {
                "adjective": ["long", "short", "narrow"],
                "verb + tunnel": ["go through", "use", "disappear into"],
                "tunnel + verb": ["run", "lead", "connect"],
                "tunnel + noun": ["entrance", "floor", "mouth"],
                "preposition": ["through a/​the tunnel"],
                "phrases": [
                    "a labyrinth of tunnels",
                    "a maze of tunnels",
                    "a network of tunnels"
                ]
            }
        },
        {
            "senseNumber": 2,
            "definition": "an underground passage made by an animal or natural processes",
            "examples": [
                {
                    "text": "The badger sett had twelve entrances to what must have been a labyrinth of tunnels."
                },
                {
                    "text": "The tunnel opened out into a large cavern."
                }
            ],
            "collocations": {
                "adjective": ["long", "short", "narrow"],
                "verb + tunnel": ["go through", "use", "disappear into"],
                "tunnel + verb": ["run", "lead", "connect"],
                "tunnel + noun": ["entrance", "floor", "mouth"],
                "preposition": ["through a/​the tunnel"],
                "phrases": [
                    "a labyrinth of tunnels",
                    "a maze of tunnels",
                    "a network of tunnels"
                ]
            }
        },
        {
            "senseNumber": null,
            "definition": "something that shows you are nearly at the end of a long and difficult time or situation",
            "examples": [
                {
                    "text": "For the first time since the start of his treatment, we can now see light at the end of the tunnel."
                }
            ]
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈtʌnl/",
                "audio": "tu/tunnel/tunnel__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈtʌnl/",
                "audio": "tu/tunnel/tunnel__us_2.mp3"
            }
        ]
    },
    "wordOrigin": "late Middle English (in the senses ‘tunnel-shaped net’ and ‘flue of a chimney’): from Old French tonel, diminutive of tonne ‘cask’. The current noun senses date from the mid 18th cent."
}