"glad hand" meaning in English

{
  "forms": [
    {
      "form": "glad hands",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "glad hand (plural glad hands)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "1917 July 2, The Electrical Experimenter, New York, page 180, column 2",
          "text": "And with that he gave me the \"glad hand\" and a pat on the shoulder.",
          "type": "quotation"
        },
        {
          "ref": "1964 June 19, “Most Likely to Succeed”, in Time",
          "text": "The young men who will get the corporate glad hand are some of the most sought after graduates of the class of '64.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A warm welcome offered to a guest by a host."
      ],
      "id": "en-glad_hand-en-noun-gYBiATH-",
      "links": [
        [
          "warm",
          "warm"
        ],
        [
          "guest",
          "guest"
        ],
        [
          "host",
          "host"
        ]
      ],
      "related": [
        {
          "_dis1": "59 41",
          "tags": [
            "verb"
          ],
          "word": "glad-hand"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "29 71",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A coupling device used on semi-trailer trucks for attaching air brake lines from the tractor to the trailer."
      ],
      "id": "en-glad_hand-en-noun-hFOEadHZ",
      "links": [
        [
          "semi-trailer",
          "semi-trailer"
        ],
        [
          "truck",
          "truck"
        ],
        [
          "brake",
          "brake"
        ],
        [
          "tractor",
          "tractor"
        ],
        [
          "trailer",
          "trailer"
        ]
      ]
    }
  ],
  "word": "glad hand"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "glad hands",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "glad hand (plural glad hands)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "tags": [
        "verb"
      ],
      "word": "glad-hand"
    }
  ],
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1917 July 2, The Electrical Experimenter, New York, page 180, column 2",
          "text": "And with that he gave me the \"glad hand\" and a pat on the shoulder.",
          "type": "quotation"
        },
        {
          "ref": "1964 June 19, “Most Likely to Succeed”, in Time",
          "text": "The young men who will get the corporate glad hand are some of the most sought after graduates of the class of '64.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A warm welcome offered to a guest by a host."
      ],
      "links": [
        [
          "warm",
          "warm"
        ],
        [
          "guest",
          "guest"
        ],
        [
          "host",
          "host"
        ]
      ]
    },
    {
      "glosses": [
        "A coupling device used on semi-trailer trucks for attaching air brake lines from the tractor to the trailer."
      ],
      "links": [
        [
          "semi-trailer",
          "semi-trailer"
        ],
        [
          "truck",
          "truck"
        ],
        [
          "brake",
          "brake"
        ],
        [
          "tractor",
          "tractor"
        ],
        [
          "trailer",
          "trailer"
        ]
      ]
    }
  ],
  "word": "glad hand"
}