"stepping back" meaning in English

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      "expansion": "stepping back",
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "step back"
        }
      ],
      "glosses": [
        "present participle and gerund of step back"
      ],
      "id": "en-stepping_back-en-verb-EbO6LaRO",
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          "step back",
          "step back#English"
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        "gerund",
        "participle",
        "present"
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  ],
  "word": "stepping back"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "stepping back (uncountable)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
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      "glosses": [
        "a system to decrease turnaround time at terminal stations where a second driver enters the rear cab of an arriving train and departs driving the train from that end while the first driver is walking the length of the platform ready to take over the subsequent departure."
      ],
      "id": "en-stepping_back-en-noun-8MxCXtEn",
      "links": [
        [
          "rail transport",
          "rail transport"
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      "raw_glosses": [
        "(rail transport) a system to decrease turnaround time at terminal stations where a second driver enters the rear cab of an arriving train and departs driving the train from that end while the first driver is walking the length of the platform ready to take over the subsequent departure."
      ],
      "related": [
        {
          "word": "double-end"
        },
        {
          "word": "double-ending"
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      "tags": [
        "uncountable"
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      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "stepping back"
}

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    "English nouns",
    "English uncountable nouns",
    "English verb forms",
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "step back"
        }
      ],
      "glosses": [
        "present participle and gerund of step back"
      ],
      "links": [
        [
          "step back",
          "step back#English"
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  "word": "stepping back"
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      "expansion": "stepping back (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "double-end"
    },
    {
      "word": "double-ending"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Rail transportation"
      ],
      "glosses": [
        "a system to decrease turnaround time at terminal stations where a second driver enters the rear cab of an arriving train and departs driving the train from that end while the first driver is walking the length of the platform ready to take over the subsequent departure."
      ],
      "links": [
        [
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      "raw_glosses": [
        "(rail transport) a system to decrease turnaround time at terminal stations where a second driver enters the rear cab of an arriving train and departs driving the train from that end while the first driver is walking the length of the platform ready to take over the subsequent departure."
      ],
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        "uncountable"
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      "topics": [
        "rail-transport",
        "railways",
        "transport"
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  "word": "stepping back"
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