"molly-guard" meaning in English

{
  "etymology_text": "From Molly (female given name) + guard.\nOriginally a Plexiglas cover improvised for the Big Red Switch on an IBM 4341 mainframe after a programmer's toddler daughter (named Molly) tripped it twice in one day. Later generalised to covers over stop/reset switches on disk drives and networking equipment.",
  "forms": [
    {
      "form": "molly-guards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "molly-guard (plural molly-guards)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "There is a plastic molly-guard covering the escalator's shutdown button to prevent little kids from pushing it and stopping the escalator."
        },
        {
          "ref": "1978, Proceedings of the 13th Intersociety Energy Conversion Engineering Conference, volume 3, Society of Automotive Engineers, page 1948:",
          "text": "The radial heat losses are minimized by the Molly Guard foil which establishes a linear temperature profile between the hot heater housing and the water cooled base plate.",
          "type": "quote"
        },
        {
          "text": "1998 August 10, kensmark, “Vi versus Word. The pros and cons (or why does Vi remiond me of a bigger version of notepad?)”, rec.arts.sf.composition, Usenet,\nTherefore, we have many \"molly guards,\" which are kludged covers that protect the on/off switch and keep you from hitting it by accident."
        },
        {
          "ref": "2008 September 6, Simon Slavin, “Manual on/off switch with electrical off-trip?”, in uk.comp.sys.mac (Usenet):",
          "text": "To include switch, cut-out and molly guard, you'll probably need to order at least two, probably three components.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A physical barrier to protect something from unwanted contact, especially a shield to prevent accidental tripping of an emergency shutdown or power switch."
      ],
      "id": "en-molly-guard-en-noun-UvtW2Y3i"
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmɒli ɡɑːd/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈmɑli ɡɑɹd/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "molly-guard"
}

{
  "etymology_text": "From Molly (female given name) + guard.\nOriginally a Plexiglas cover improvised for the Big Red Switch on an IBM 4341 mainframe after a programmer's toddler daughter (named Molly) tripped it twice in one day. Later generalised to covers over stop/reset switches on disk drives and networking equipment.",
  "forms": [
    {
      "form": "molly-guards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "molly-guard (plural molly-guards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Computing"
      ],
      "examples": [
        {
          "text": "There is a plastic molly-guard covering the escalator's shutdown button to prevent little kids from pushing it and stopping the escalator."
        },
        {
          "ref": "1978, Proceedings of the 13th Intersociety Energy Conversion Engineering Conference, volume 3, Society of Automotive Engineers, page 1948:",
          "text": "The radial heat losses are minimized by the Molly Guard foil which establishes a linear temperature profile between the hot heater housing and the water cooled base plate.",
          "type": "quote"
        },
        {
          "text": "1998 August 10, kensmark, “Vi versus Word. The pros and cons (or why does Vi remiond me of a bigger version of notepad?)”, rec.arts.sf.composition, Usenet,\nTherefore, we have many \"molly guards,\" which are kludged covers that protect the on/off switch and keep you from hitting it by accident."
        },
        {
          "ref": "2008 September 6, Simon Slavin, “Manual on/off switch with electrical off-trip?”, in uk.comp.sys.mac (Usenet):",
          "text": "To include switch, cut-out and molly guard, you'll probably need to order at least two, probably three components.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A physical barrier to protect something from unwanted contact, especially a shield to prevent accidental tripping of an emergency shutdown or power switch."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmɒli ɡɑːd/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈmɑli ɡɑɹd/",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "molly-guard"
}