"coupling rod" meaning in English

{
  "forms": [
    {
      "form": "coupling rods",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coupling rod (plural coupling rods)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              106,
              119
            ]
          ],
          "ref": "1960 March 22, “Notes and News: Two Scenes from Norfolk”, in Railway Magazine, page 214:",
          "text": "The locomotive had been magnificently burnished at Norwich depot, with polished brasswork and red-painted coupling rods—all the more creditable, Dr. Allen adds, as it spent many months last winter in open store.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A rod that couples the driving wheels of a locomotive, a steam locomotive in particular, so that the driving wheels act together as a unit."
      ],
      "id": "en-coupling_rod-en-noun-2L6Ao0vh",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "couple",
          "couple"
        ],
        [
          "driving wheel",
          "driving wheel"
        ],
        [
          "locomotive",
          "locomotive"
        ],
        [
          "steam locomotive",
          "steam locomotive"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A rod that couples the driving wheels of a locomotive, a steam locomotive in particular, so that the driving wheels act together as a unit."
      ],
      "related": [
        {
          "word": "connecting rod"
        }
      ],
      "synonyms": [
        {
          "word": "side rod"
        },
        {
          "word": "siderod"
        }
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "coupling rod"
}

{
  "forms": [
    {
      "form": "coupling rods",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coupling rod (plural coupling rods)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "connecting rod"
    }
  ],
  "senses": [
    {
      "categories": [
        "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",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              106,
              119
            ]
          ],
          "ref": "1960 March 22, “Notes and News: Two Scenes from Norfolk”, in Railway Magazine, page 214:",
          "text": "The locomotive had been magnificently burnished at Norwich depot, with polished brasswork and red-painted coupling rods—all the more creditable, Dr. Allen adds, as it spent many months last winter in open store.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A rod that couples the driving wheels of a locomotive, a steam locomotive in particular, so that the driving wheels act together as a unit."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "couple",
          "couple"
        ],
        [
          "driving wheel",
          "driving wheel"
        ],
        [
          "locomotive",
          "locomotive"
        ],
        [
          "steam locomotive",
          "steam locomotive"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A rod that couples the driving wheels of a locomotive, a steam locomotive in particular, so that the driving wheels act together as a unit."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "side rod"
    },
    {
      "word": "siderod"
    }
  ],
  "word": "coupling rod"
}