"watchclock" meaning in English

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      "expansion": "watch + clock",
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  "etymology_text": "From watch + clock.",
  "forms": [
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      "form": "watchclocks",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Synonym of watchman's detector"
      ],
      "id": "en-watchclock-en-noun-rQ19oi24",
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          "word": "watchman's detector"
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  "word": "watchclock"
}

{
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      "args": {
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        "2": "watch",
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      "expansion": "watch + clock",
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  ],
  "etymology_text": "From watch + clock.",
  "forms": [
    {
      "form": "watchclocks",
      "tags": [
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
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          "word": "watchman's detector"
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  "word": "watchclock"
}