"big rig" meaning in English

{
  "forms": [
    {
      "form": "big rigs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "big rig (plural big rigs)",
      "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"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Transport",
          "orig": "en:Transport",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Driving on the interstate at night, you will see less traffic, but more big rigs."
        }
      ],
      "glosses": [
        "A large truck, an 18-wheeler."
      ],
      "id": "en-big_rig-en-noun--wxrjcgP",
      "links": [
        [
          "truck",
          "truck"
        ],
        [
          "18-wheeler",
          "18-wheeler"
        ]
      ],
      "raw_glosses": [
        "(informal) A large truck, an 18-wheeler."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "big rig"
}

{
  "forms": [
    {
      "form": "big rigs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "big rig (plural big rigs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English entries with topic categories using raw markup",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English rhyming phrases",
        "English terms with non-redundant non-automated sortkeys",
        "en:Transport"
      ],
      "examples": [
        {
          "text": "Driving on the interstate at night, you will see less traffic, but more big rigs."
        }
      ],
      "glosses": [
        "A large truck, an 18-wheeler."
      ],
      "links": [
        [
          "truck",
          "truck"
        ],
        [
          "18-wheeler",
          "18-wheeler"
        ]
      ],
      "raw_glosses": [
        "(informal) A large truck, an 18-wheeler."
      ],
      "tags": [
        "informal"
      ]
    }
  ],
  "word": "big rig"
}