"camera flash" meaning in English

{
  "forms": [
    {
      "form": "camera flashes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "camera flash (plural camera flashes)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Light sources",
          "orig": "en:Light sources",
          "parents": [
            "Light",
            "Energy",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A device that produces a short flash of light to help illuminate a scene, mostly for night-time or indoors photography, to make the picture brighter."
      ],
      "id": "en-camera_flash-en-noun-1aYSB8ab",
      "links": [
        [
          "photography",
          "photography"
        ],
        [
          "picture",
          "picture"
        ]
      ]
    }
  ],
  "word": "camera flash"
}

{
  "forms": [
    {
      "form": "camera flashes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "camera flash (plural camera flashes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Light sources"
      ],
      "glosses": [
        "A device that produces a short flash of light to help illuminate a scene, mostly for night-time or indoors photography, to make the picture brighter."
      ],
      "links": [
        [
          "photography",
          "photography"
        ],
        [
          "picture",
          "picture"
        ]
      ]
    }
  ],
  "word": "camera flash"
}