"camera lucida" meaning in English

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  "etymology_text": "Latin",
  "forms": [
    {
      "form": "camera lucidas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "camera lucida (plural camera lucidas)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "An instrument that uses a shaped prism or mirrors to cause an apparent image of external objects to appear as if projected upon a plane surface, so that the outlines may be conveniently traced."
      ],
      "id": "en-camera_lucida-en-noun-zCAMGxvr",
      "links": [
        [
          "instrument",
          "instrument"
        ],
        [
          "prism",
          "prism"
        ],
        [
          "mirror",
          "mirror"
        ],
        [
          "image",
          "image"
        ],
        [
          "project",
          "project"
        ],
        [
          "plane",
          "plane"
        ],
        [
          "surface",
          "surface"
        ],
        [
          "outline",
          "outline"
        ],
        [
          "trace",
          "trace"
        ]
      ],
      "wikipedia": [
        "camera lucida"
      ]
    }
  ],
  "word": "camera lucida"
}

{
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    {
      "args": {
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      },
      "expansion": "Latin",
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  ],
  "etymology_text": "Latin",
  "forms": [
    {
      "form": "camera lucidas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "camera lucida (plural camera lucidas)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "An instrument that uses a shaped prism or mirrors to cause an apparent image of external objects to appear as if projected upon a plane surface, so that the outlines may be conveniently traced."
      ],
      "links": [
        [
          "instrument",
          "instrument"
        ],
        [
          "prism",
          "prism"
        ],
        [
          "mirror",
          "mirror"
        ],
        [
          "image",
          "image"
        ],
        [
          "project",
          "project"
        ],
        [
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        [
          "trace",
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        ]
      ],
      "wikipedia": [
        "camera lucida"
      ]
    }
  ],
  "word": "camera lucida"
}