"backspacer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "backspace",
        "3": "er",
        "id2": "agent noun"
      },
      "expansion": "backspace + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From backspace + -er.",
  "forms": [
    {
      "form": "backspacers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backspacer (plural backspacers)",
      "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 terms suffixed with -er (agent noun)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1968, Herbert Webster Johnson, William G. Savage, Administrative office management, page 121:",
          "text": "All have automatic backspacers and shift keys, and some have special devices for controlling touch pressure, and special mechanisms for expansion of space between the cylinder roller and the platen when doing multiple copy work.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A mechanism in a typewriter that controls backspacing."
      ],
      "id": "en-backspacer-en-noun-GZLPXiAA",
      "links": [
        [
          "mechanism",
          "mechanism"
        ],
        [
          "typewriter",
          "typewriter"
        ],
        [
          "backspacing",
          "backspace"
        ]
      ]
    }
  ],
  "word": "backspacer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "backspace",
        "3": "er",
        "id2": "agent noun"
      },
      "expansion": "backspace + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From backspace + -er.",
  "forms": [
    {
      "form": "backspacers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backspacer (plural backspacers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -er (agent noun)",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1968, Herbert Webster Johnson, William G. Savage, Administrative office management, page 121:",
          "text": "All have automatic backspacers and shift keys, and some have special devices for controlling touch pressure, and special mechanisms for expansion of space between the cylinder roller and the platen when doing multiple copy work.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A mechanism in a typewriter that controls backspacing."
      ],
      "links": [
        [
          "mechanism",
          "mechanism"
        ],
        [
          "typewriter",
          "typewriter"
        ],
        [
          "backspacing",
          "backspace"
        ]
      ]
    }
  ],
  "word": "backspacer"
}